Terms

A simplified description of an entity to assist calculations and predictions.

Evaluation of the attributes and features of an entity conducted to enable a stakeholder to determine whether the right …

Formal testing conducted to enable a user, customer, or other authorized entity to determine whether to accept a system …

Analysis of a stakeholder goal to decide what acceptance cases are evaluating it.

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a acceptance objective a…

The execution of a sequence of acceptance cases for a given execution order, including any associated actions that may r…

Set of cohesive functions to be performed to achieve a goal, which transforms incoming exchanges into outgoing exchanges…

Set of cohesive tasks of a process, which transforms inputs into outputs.

Set of cohesive functions or function variants to be performed to achieve a goal, which transforms incoming exchanges in…

Human being who carries out some enabling activities within the context of the system of interest by interacting with it…

Evaluation method of an attribute or feature of an entity using a set of model and calculation.

Model that describes mathematical relationships, such as differential equations that support quantifiable analysis about…

Representation of the structure of the item or element that allows identification of building blocks, their boundaries a…

Fundamental concepts or properties of a system in its environment and governing principles for the realization and evolu…

Fundamental concepts or properties of an entity in its environment and governing principles for the realization and evol…

Verification of a candidate release during an independent technical assessment where a decision is made to continue to t…

Attribute of the system of interest, or a the system of interest itself, that is worth protecting.

Item, thing, or entity that has potential or actual value to an organization.

Object that has value, or contributes to value.

Attribute of a system variant, or a the system variant itself, that is worth protecting.

Set of deliberate actions to compromise one or more assets.

Set of deliberate actions to realize a threat scenario.

Inherent property or characteristic of an entity that can be observed quantitatively or qualitatively and evaluated agai…

Inherent property or characteristic of an entity that can be distinguished quantitatively or qualitatively by human or a…

Alternative attribute of an entity.

A system component, responsible for carrying out some of the functions devolved to the system, by interacting with its o…

A place of interaction for the component to which it is attached to other components or actors in its environment. It ca…

Hierarchy that supports an analysis and is used to partition the assigned work and associated resources.

Role that is accountable for the goal analysis and the value analysis. It contributes to the feature analysis, the stake…

Modification to any deliverable of a release.

Modification to any formally controlled deliverable, project management plan component, or project document.

Abstract model that uses software to simulate an entity.

Combination of computer instructions and data definitions that enable computer hardware to perform computational or cont…

Abstract model that shows an interconnected set of model elements which represent the attributes and/or the features of …

Specific instantiation of abstract model.

Requirement that limits the solution space beyond what is necessary for meeting the given functional requirements and no…

A requirement that limits the solution space beyond what is necessary for meeting the given functional requirements and …

Evaluation of an entity to determine whether it satisfies the constraints allocated to it at the end of a development ph…

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

Presence of a subset of the interdependent actors and/or interdependent systems of the milieu within a geometrically clo…

Measure that is modifying risk.

Concept-level cybersecurity requirement associated with one or more threat scenarios.

Functional flow made of symbols.

Approval event. Note: often associated with a review meeting. Entry and exit criteria are established for each decision …

Evaluation method of an attribute or feature of an entity under a set of validation case in its context of use.

Dynamic analysis technique that relies on observation of system or component behavior during execution, without need for…

Model that shows an interconnected set of model elements which represent key system aspects including its structure, beh…

A realizable entity that inheres in a material entity in virtue of the bearer's physical makeup, and which is such that …

Activity performed by an actor to achieve a goal, which transforms incoming exchanges into outgoing exchanges.

Function devolved to an actor.

State of an actor.

System that carries out its own enabling system activities within the context of the system of interest and that support…

System that supports a system-of-interest during its life cycle stages but does not necessarily contribute directly to i…

Set of cohesive enabling system functions to be performed to achieve a goal, which transforms incoming exchanges into ou…

Function devolved to an enabling system.

Part of an enabling system responsible for carrying out some of the enabling system functions devolved to the enabling s…

Part of an enabling system responsible for defining the resources to carrying out the enabling system functional element…

State of an enabling system.

Risk related to a technical uncertainty (feasability, scope...) about a release.

The set of pre-existing conditions — physical, regulatory, technological, social, temporal — that constitute the backgro…

Significant solution development initiative for a given release done in an iteration

An Epic is a significant solution development initiative

Analysis of the iteration to determine what Epics are assigned to it.

Output made of one or more flows that is produced by an activity and consumed by another activity.

Termination of the ability of an entity to perform a function as specified due to a fault.

Termination of an intended behaviour of an element or an item due to a fault manifestation.

Analysis of the potential failure of a system function and its effect on the system state it is allocated to. It include…

An analytical procedure in which each potential failure mode in every component of a product is analyzed to determine it…

Abnormal condition of a physical element that can cause a system to fail.

Abnormal condition that can cause an element or an item to fail.

A Feature represents a set of cohesive functions that delivers value by achieving a goal, is evaluated against some acce…

A Feature represents solution functionality that delivers business value, fulfills a stakeholder need, and is sized to b…

Analysis of the goal to determine what feature is contributing to it and if the stakeholder represents an actor or an in…

Breakdown structure of the feature that supports the feature analysis by following the principles below: (1) A high leve…

Conceptual model which represents the feature analysis based on the feature breakdown structure.

Alternative feature of an entity.

A material entity that is part of an object but which is not itself separated from the remainder of the object by any bo…

Output produced by a function and consumed by another function.

Attribute of a flow.

A transformation of incoming flows to outgoing flows, by means of some mechanisms, and subject to certain controls.

A disposition that exists in virtue of the bearer's physical makeup and is realizable in processes that produce a certai…

Transformation of inputs to outputs, by means of some mechanisms, and subject to certain controls, that is identified by…

Variant of a function.

Part of an actor responsible for carrying out some of the enabling functions, by interacting with other functional eleme…

Examination of a defined function to identify all the sub-functions necessary to accomplish that function, to identify f…

Analysis of the system function to determine: (1) what system states of a functional element are activating it. (2) what…

Hierarchical arrangement of functions, their internal and external (external to the aggregation itself) functional inter…

Conceptual model which represents the functional architecture based on the functional element breakdown structure and th…

Part of a system element responsible for carrying out some of the system functions, by interacting with other functional…

Attribute of a functional element.

Breakdown structure of the functional element attribute that supports the functional architecture by following the princ…

Variant of a functional element attribute.

Breakdown structure of the functional element that supports the functional architecture by following the principles belo…

Variant of a functional element.

A possible interaction between a source function and a destination function, likely to transmit exchange items through t…

Part of an interdependent actor responsible for carrying out some of the interdependent functions which mutually and dur…

Part of a system element interface responsible for carrying out some of the flows that are exchanged with other function…

Attribute of a functional interface.

Variant of a functional interface attribute.

Variant of a functional interface.

Requirement concerning the feature that shall be realized by the solution.

A requirement concerning a result or behavior that shall be provided by a function of a system.

Specification of implementation-independent safety behaviour or implementation-independent safety measure including its …

A test type to determine the functional suitability of a test object.

Evaluation of an entity to determine whether it satisfies the functional requirements allocated to it at the end of a de…

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

A continuant that depends generically on one or more independent continuants as its substrate and which can migrate from…

Stakeholder’s description of a situation he wants to achieve thanks to a solution to be developed or the development pro…

Goals are a stakeholder’s (e.g., a person’s or an organization’s) description of a characteristic property of the system…

Analysis of the goals to determine if they can be further decomposed into goals or allocated to a feature or allocated t…

Breakdown structure of the goal that supports the goal analysis by following the principles below: (1) A high level goal…

Conceptual model which represents the goal analysis based on the goal breakdown structure.

Physical element that is used to process, store, or transmit software or data, and that exposes hardware interfaces.

Physical equipment used to process, store, or transmit computer programs or data.

Analysis of the hardware and its hardware state to determine what hardware blocks are realizing it.

Attribute of a hardware product.

Functionally distinct part of a hardware, composed of at least one hardware component, and which exposes hardware block …

Breakdown structure of the hardware block that supports the hardware architecture by following the principles below: (1)…

Function of a hardware block.

Boundary across which two hardware blocks meet and exchange flows.

State of a hardware block.

Breakdown structure of the hardware that supports the hardware architecture by following the principles below: (1) A har…

Atomic level part of a hardware block that is subjected to electrical characterization testing.

Function of a hardware component.

Constraint about a hardware.

Termination of the ability of a hardware to perform a hardware function as specified due to a hardware fault.

Abnormal condition of a hardware that can cause a system to fail.

A feature about a hardware product.

Function of a hardware.

Functional requirement about a hardware.

Boundary across which two hardwares meet and exchange flows.

Breakdown structure of the hardware interface that supports the hardware architecture by following the principles below:…

Non-functional requirement about a hardware.

Product that is composed of hardware only.

Requirement about a hardware.

State of a hardware.

Breakdown structure of the hardware state that supports the hardware architecture by following the principles below: (1)…

Evaluation of a hardware to determine whether it satisfies the hardware requirements allocated to it at the end of a dev…

Termination of the ability of a hardware to protect an asset as specified due to a vulnerability.

Potential source of physical injury or damage to the health of persons caused by a failure of the system of interest.

Potential source of harm caused by malfunctioning behaviour of the item.

Method to identify and categorize hazardous events of items and to specify safety goals and ASILs related to the prevent…

Combination of a hazard and an operational situation.

Situation in which the system of interest generates a hazard.

Combination of interacting features.

Combination of interacting functional elements.

Attribute of a high level functional element.

Variant of a high level functional element attribute.

Variant of a high level functional element.

Combination of interacting goals.

Combination of interacting physical elements.

Attribute of a high level physical element.

Variant of a high level physical element attribute.

Combination of interacting physical elements or physical element variants.

Combination of values.

A system possesses emergent attributes of features that cannot be explained solely by its system elements and their inte…

The meaning of the somewhat mystical expression, 'The whole is more than the sum of its parts' is simply that constituti…

A component hosting a number of behavioral components, providing them with the resources they require to function and to…

Functional exchange made of structured data.

Evaluation method of an entity using one or more of the human senses.

Static analysis technique that relies on visual examination of development products to detect errors, violations of deve…

Evaluation of the interactions between parts of an entity which aims at ensuring that the entity is built right.

A test level that focuses on interactions between components or systems.

Analysis of the milieu of the system of interest to identify the interdependent activities and the interdependent system…

Activity performed by an interdependent actor which mutually and durably shapes a goal, and which transforms incoming ex…

Human being whose interdependent activities within the milieu of the system of interest mutually and durably shape the s…

Function devolved to an interdependent actor.

State of an interdependent actor.

System whose own interdependent system activities within the milieu of the system of interest mutually and durably shape…

Set of cohesive interdependent system functions which mutually and durably shapes a goal, and which transforms incoming …

Function devolved to an interdependent system.

Part of an interdependent system responsible for carrying out some of the interdependent system functions devolved to th…

Part of an interdependent system responsible for defining the resources to carrying out the interdependent system functi…

State of an interdependent system.

Shared boundary between two functional units, defined by various characteristics pertaining to the functions, physical s…

Time frame of a project in which a set of epics and/or tasks is developed to produce a release.

Short time frame in which a set of software features is developed, leading to a working product that can be demonstrated…

Analysis of the project to determine what iterations are completing it.

Set of information: (1) in which the relationships between the information are explained, (2) that is held to be true by…

Human or organizational asset enabling effective decisions and action in context.

Abstract model that describes an entity using mathematical language.

Verification of a candidate release for a development phase where a decision is made to continue to the next phase (with…

A mechanism is one of the activity of a system that makes it what it is.

A mechanism is one of the processes in a concrete system that makes it what it is — for example, metabolism in cells, in…

Model that specifies the rules that govern a model.

Special kind of model that specifies the abstract syntax of a modelling language.

The broader operational environment surrounding the system of interest, populated by interdependent systems and/or inter…

Representation of an entity or collection of entities that provides the ability to portray, understand or predict the at…

Abstract representation of an entity or collection of entities that provides the ability to portray, understand or predi…

Requirement that pertains to an attribute of the solution.

A quality requirement or a constraint

A test type to evaluate that a component or system complies with non-functional requirements.

Evaluation of an entity to determine whether it satisfies the non-functional requirements allocated to it at the end of …

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

A material entity that manifests causal unity and is spatially extended in three dimensions, and is maximally self-conne…

Definition of a set of concepts within a domain of knowledge and the relationships that hold between them.

Logical structure of the terms used to describe a domain of knowledge, including both the definitions of the applicable …

Conceptual model which represents the operational analysis.

Analysis of a system feature to determine what system activities are contributing to it, their exchanges between them, t…

A possible dependency between two operational activities – the interaction source and destination, in the form of transm…

An operational situation/configuration of a system characterized by its active functions.

Risk related to an uncertainty about the organization governance and mission (funding, legal...).

Output produced by a function and consumed by another function, that contributes to the configuration of the latest.

Review at the end of a phase in which a decision is made to continue to the next phase, to continue with modification, o…

Analysis of the functional element to determine: (1) what physical element is realizing it. (2) what physical interface …

Conceptual model which represents the physical architecture based on the physical element breakdown structure.

Part of a system element responsible for defining the resources to carrying out the functional element of the system, by…

Attribute of a physical element.

Breakdown structure of the physical element attribute that supports the physical architecture by following the principle…

Variant of a physical element attribute.

Breakdown structure of the physical element that supports the physical architecture by following the principles below: (…

Variant of a physical element.

Part of a system element interface responsible for defining the resources to carrying out the functional interface of th…

Attribute of a functional interface.

Variant of a functional interface attribute.

Variant of a physical interface

A hosting physical component’s point of connection with its environment. A physical port is not oriented.

Incident or undesirable situation concerning the content of a release and/or the way it has been built and/or delivered,…

Difficulty, uncertainty, or otherwise realized and undesirable event, set of events, condition, or situation that requir…

An occurrent that has temporal proper parts and for some time t, p s-depends_on some material entity at t. (axiom label …

Requirement concerning a set of interrelated activities performed in a given order to process work products.

Implementation of a system that is based on a release, produced in a quantifiable manner and delivered to a stakeholder …

An artifact that is produced, is quantifiable, and can be either an end item in itself or a component item.

Analysis of the features to determine what product is realizing it.

Evaluating a product by manual or automated means to determine if the product has certain characteristics.

Analysis of the product to determine what product elements are realizing it.

Conceptual model which represents the product architecture based on the product breakdown structure.

Breakdown structure of the product that supports the product architecture by following the principles below: (1) A produ…

Decomposition of the product into its components.

Constituent of a product.

Variant of a product element.

Role that is accountable for the feature analysis, the product analysis and the release analysis. It contributes to the …

Implementation of a system variant that is based on a release, produced in a quantifiable manner and delivered to a stak…

Endeavor with defined start and finish criteria undertaken to create or to modify a product or a service in accordance w…

Endeavor with defined start and finish criteria undertaken to create a product or a service in accordance with specified…

Analysis of the release to determine what project is delivering it.

Role that is accountable for the project analysis, the iteration analysis, the epic analysis and the task analysis. It c…

Risk related to a project uncertainty (customer satisfaction, project quality, project cost, project schedule, project r…

Risk related to the management of a project.

A specifically dependent continuant that, in contrast to realizable entities, does not require any further process in or…

A requirement that pertains to a quality concern that is not covered by functional requirements.

Principle of understanding a system by decomposing it into its system elements and their interactions.

An approach to understanding the nature of complex things by reducing them to the interactions of their parts.

Collection of one or more new or changed configuration items that are made available to a wider community.

Collection of one or more new or changed configuration items deployed into the live environment as a result of one or mo…

Analysis of the feature and its realizing product or service to determine what release is delivering it.

(1) An attribute or feature needed by a stakeholder to achieve a goal. (2) An attribute or feature that must be met or p…

1. A need perceived by a stakeholder. 2. A capability or property that a system shall have. 3. A documented representati…

Risk remaining after risk treatment.

Risk remaining after risk treatment.

The combination of the likelihood of occurrence and the severity of consequences of an undesirable event under a given s…

The combination of the likelihood of occurrence and the consequences of a given future undesirable event. Risk can be as…

Analysis of an entity to determine what risk it can encounter, how to treat it, and what is the residual risk after trea…

Process of examining identified risk factors for probability of occurrence, potential loss, and potential risk-handling …

Set of responsibilities that a Person or other Agent can take in an organization.

A realizable entity that exists in virtue of the bearer's being in some special physical, social, or institutional set o…

Denotes a role that a Person or other Agent can take in an organization. Instances of this class describe the abstract r…

Output produced by a safety function and consumed by another function.

Function which is relevant for safety engineering.

Variant of a safety function.

Functional element responsible for carrying out some of the safety system functions.

Goal which is relevant for safety engineering.

Top-level safety requirement as a result of the hazard analysis and risk assessment at the vehicle level.

Hardware that performs some safety hardware functions.

Constraint about a hardware which is relevant for safety engineering.

A feature about a hardware product which is relevant for safety engineering

Function of a hardware to control hardware failures or software failures in order to achieve or maintain a safe system s…

Hardware functional requirement which is relevant for safety engineering.

Hardware non-functional requirement which is relevant for safety engineering.

Implementation of a system composed of some safety hardware.

Technical solution implemented by E/E functions or elements, or by other technologies, to detect and mitigate or tolerat…

Output produced by a safety function and consumed by another function, that contributes to the configuration of the late…

Risk related to an hazard.

Risk analysis which is relevant for safety engineering. It includes the following steps: (1) Identify the hazards. (2) F…

Service which adds value for the service user by helping him to achieve some safety goals.

Software that performs some safety software functions.

Constraint about a software which is relevant for safety engineering.

A feature about a software product which is relevant for safety engineering

Function of a software to control hardware failures or software failures in order to achieve or maintain a safe system s…

Software functional requirement which is relevant for safety engineering.

Software non-functional requirement which is relevant for safety engineering.

Implementation of a system composed of some safety software.

A system activity which is relevant for safety engineering

System constraint which is relevant for safety engineering.

A feature about a system which is relevant for safety engineering

Function of a system to control system failures in order to achieve or maintain a safe system state.

System functional requirement which is relevant for safety engineering.

System non-functional requirement which is relevant for safety engineering.

Output produced by a security function and consumed by another function.

Function which is relevant for security engineering.

Variant of a security function.

Functional element responsible for carrying out some of the security system functions.

Goal which is relevant for security engineering.

Hardware that performs some security hardware functions.

Constraint about a hardware which is relevant for security engineering.

A feature about a hardware product which is relevant for security engineering

Function of a hardware to control weaknesses in order to achieve or maintain a secure system state.

Hardware functional requirement which is relevant for security engineering.

Security non-functional requirement which is relevant for security engineering.

Implementation of a system composed of some security hardware.

Output produced by a security function and consumed by another function, that contributes to the configuration of the la…

Risk related to an attack.

Risk analysis which is relevant for security engineering. It includes the following steps: (1) Identify the assets. (2) …

Service which adds value for the service user by helping him to achieve some security goals.

Software that performs some security software functions.

Constraint about a software which is relevant for security engineering.

A feature about a software product which is relevant for security engineering

Function of a software to control weaknesses in order to achieve or maintain a secure system state.

Software functional requirement which is relevant for security engineering.

Software non-functional requirement which is relevant for security engineering.

Implementation of a system composed of some security software.

A system activity which is relevant for security engineering

System constraint which is relevant for security engineering.

A feature about a system which is relevant for security engineering

Function of a system to control weaknesses in order to achieve or maintain a secure system state.

System functional requirement which is relevant for security engineering.

System non-functional requirement which is relevant for security engineering.

Set of service mean which is provided by a contract between the service provider and the service consumer, is based on a…

Means of delivering value for the user by facilitating results the user wants to achieve.

Analysis of the features to determine what service is realizing it.

Analysis of the service to determine what service means are realizing it.

Conceptual model which represents the service architecture based on the service breakdown structure.

Breakdown structure of the service that supports the service architecture by following the principles below: (1) A servi…

A service contract defines the terms, conditions, and interaction rules that a service provider and a service consumer m…

A service contract defines the terms, conditions, and interaction rules that interacting participants must agree to (dir…

Variant of a service contract.

Documented agreement between the service provider and the service user, setting out the conditions under which the servi…

Documented agreement between the service provider and user that identifies services and service targets.

Variant of the service level agreement

Entity that performs a service.

Variant of a service mean.

Role that is accountable for the feature analysis, the service analysis and the release analysis. It contributes to the …

Set of service mean or service mean variant which is provided by a contract variant between the service provider and the…

A transient state that arises within a context in response to one or more events, capturing a set of exchanges from acto…

Physical element that is the combination of computer instructions that enables hardware to perform computational or cont…

Analysis of the software and its software state to determine what software components are realizing it.

Attribute of a software product.

Breakdown structure of the software that supports the software architecture by following the principles below: (1) A sof…

Functionally distinct part of a software, composed of at least one software unit, and which exposes at least one softwar…

Functionally or logically distinct part of a sofware configuration item, distinguished for the purpose of convenience in…

Breakdown structure of the software component that supports the software architecture by following the principles below:…

Function of a software component.

Boundary across which a software component and a hardware element or two software components meet and exchange flows.

Requirement about a software component.

State of a software component.

Evaluation of a software component to determine whether it satisfies the software component requirements allocated to it…

Constraint about a software.

Termination of the ability of a software to perform a software function as specified due to a software fault.

Abnormal condition of a software that can cause a system to fail.

A feature about a software product.

Function of a software.

Functional requirement about a software.

Boundary across which a software and a hardware meet and exchange flows.

Breakdown structure of the software interface that supports the software architecture by following the principles below:…

Non-functional requirement about a software.

Product that is composed of software only.

Complete set of software designed for delivery to a software consumer or end-user which can include computer programs, p…

Requirement about a software.

State of a software.

Breakdown structure of the software state that supports the software architecture by following the principles below: (1)…

Atomic level part of a software component that is subjected to software unit validation.

Atomic-level software component of the software architecture that can be subjected to standalone testing.

Function of a software unit.

Requirement about a software unit.

Evaluation of a software unit to determine whether it satisfies the software unit requirements allocated to it at the en…

Evaluation of a software to determine whether it satisfies the software requirements allocated to it at the end of a dev…

Termination of the ability of a software to protect an asset as specified due to a vulnerability.

Combination of people, processes, and technologies to implement a system.

Combination of people, processes, and technologies to implement a desired capability.

A person or organization who influences an attribute or a feature of an entity, or who is impacted by one of them.

A person or organization who influences a system's requirements or who is impacted by that system.

Stakeholder's constraint.

Stakeholder's functional requirement.

Stakeholder's non-functional requirement.

Stakeholder's requirement.

Analysis of a feature or an attribute to decide what stakeholder requirements and/or stakeholder constraints are specify…

Breakdown structure of the stakeholder requirement that supports the stakeholder requirement analysis by following the p…

Conceptual model which represents the stakeholder requirement analysis based on the stakeholder requirement breakdown st…

A situation in which the behavior of an entity is characterized by its active functions.

Combination of interacting system elements organized to achieve one or more goals.

Combination of interacting elements organized to achieve one or more stated purposes.

Set of cohesive system functions to be performed to achieve a goal, which transforms incoming exchanges into outgoing ex…

Set of cohesive system functions or system function variants to be performed to achieve a goal, which transforms incomin…

An entity that is external to the system (human or not), interacting with it, especially via its interfaces.

Role that is accountable for the functional architecture, the physical architecture, the system architecture, the system…

Analysis of the system and its system state to determine what system elements are realizing it.

Constraint about a functional interface, a physical interface, system element interface, a system element interface attr…

Variant of a system architecture constraint.

Conceptual model which represents the system architecture based on the physical element breakdown structure and the syst…

Evaluation of the interactions between the system elements, based on some system architecture validation cases, to deter…

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

Attribute of a system.

Analysis of the goal to determine what system attribute is contributing to it.

Breakdown structure of the system attribute that supports the system attribute analysis by following the principles belo…

Conceptual model which represents the system attribute analysis based on the system attribute breakdown structure.

Alternative attribute of a system.

Breakdown structure of the system that supports the system architecture by following the principles below: (1) A system …

System hierarchy, with identified enabling systems, and personnel that is typically used to assign development teams, su…

Role that is accountable for the variability analysis. It contributes to the iteration analysis, the epic analysis, the …

Constraint about a system.

Evaluation of a system, based on some system constraint validation cases, to determine whether it satisfies the system c…

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

Variant of a system constraint.

Discrete part of a system that can be implemented to fulfil specified requirements.

Discrete part of a system that can be implemented to fulfil specified requirements.

Attribute of a system element.

Variant of a system element attribute.

Constraint about a system element.

Variant about a system element constraint.

Function of a system element.

Attribute of a system element function.

Variant of system element attribute.

Variant of system element function.

Functional requirement about a system element.

Variant of a system element functional requirement.

Boundary across which two system elements and/or enabling systems and/or actors meet and exchange flows.

Attribute of a system element interface.

Variant of a system element interface attribute.

Variant of a system element interface.

Non-functional requirement about a system element.

Variant of system element non-functional requirement.

Requirement about a system element.

State of a system element.

Attribute of a system element state.

Variant of a system element state attribute.

Variant of a system element state.

Evaluation of a system element, based on some system element validation cases, to determine whether it satisfies the sys…

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

Discrete part of a system variant that can be implemented to fulfil specified requirements variant.

Role that is accountable for the operational analysis, the system functional analysis and the stakeholder requirement an…

Termination of the ability of a system to perform a system function as specified due to a software fault and/or a hardwa…

A Feature about a product or a service.

A feature variant about a product variant or a service variant.

Function of a system.

Attribute of a system function.

Breakdown structure of the system function attribute that supports the system functional analysis by following the princ…

Variant of a system function attribute.

Breakdown structure of the system function that supports the system functional analysis by following the principles belo…

Conceptual model which represents the system functional analysis based on the system function breakdown structure.

Variant of a system function.

Analysis of a system activity to determine what system functions are contributing to it and their relation.

Functional requirement about a system.

Variant of a system functional requirement.

Evaluation of a system, based on some system functional validation cases, to determine whether it satisfies the system f…

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

Boundary across which two systems and/or enabling systems and/or actors meet and exchange flows.

Attribute of a system interface.

Breakdown structure of the system interface attribute that supports the system architecture by following the principles …

Variant of a system interface attribute.

Breakdown structure of the system interface that supports the system architecture by following the principles below: (1)…

Variant of a system interface.

Non-functional requirement about a system.

Variant of system non-functional requirement.

Evaluation of a system, based on some system non-functional validation cases, to determine whether it satisfies the syst…

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

Role that is accountable for the system verification analysis. It contributes to the operational analysis, the system fu…

Requirement about a system.

Analysis of a stakeholder requirement or a stakeholder constraint to decide what system requirements or system constrain…

Breakdown structure of the system requirement that supports the system requirement analysis by following the principles …

Conceptual model which represents the system requirement analysis based on the system requirement breakdown structure.

Role that is accountable for the risk analysis. It contributes to the interdependence analysis, the operational analysis…

State of a system.

Attribute of a system state.

Breakdown structure of the system state attribute that supports the functional architecture by following the principles …

Variant of a system state attribute.

Breakdown structure of the system state that supports the functional architecture by following the principles below: (1)…

Variant of a system state.

Evaluation of a system, based on some system validation cases, to determine whether it satisfies the system requirements…

Analysis of a system requirement, a system constraint or a system architecture constraint to decide what system validati…

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

Role that is accountable for the system validation analysis. It contributes to the operational analysis, the system func…

Conceptual model which represents the variability analysis based on the system variant breakdown structure.

Combination of interacting system elements or system element variants organized to achieve one or more goals.

Breakdown structure of the system variant that supports the variability analysis by following the principles below: (1) …

Evaluation of the deliverables of a given system development phase through inspection to determine whether they satisfy …

Analysis of a deliverable of a given system development phase to determine what maturity gate or assessment gate is eval…

Termination of the ability of a system to protect an asset as specified due to a vulnerability.

Transdisciplinary and integrative approach to enable the successful realization, use and retirement of systems using sys…

Transdisciplinary and integrative approach to enable the successful realization, use and retirement of engineered system…

Systems principles represent the foundations of systems engineering and are the following: (1) Holism, covered by the in…

Required action intended to contribute to the achievement of one Epic or one iteration.

Required, recommended, or permissible action, intended to contribute to the achievement of one or more outcomes of a pro…

Analysis of the iteration and its assigned Epic to determine what tasks are realizing it.

Requirement derived for implementation of associated functional safety requirements.

Purposeful reactions which are controlled by the error of the reaction — i.e., by the difference between the state of th…

Teleology is the property of a system to be oriented toward a goal.

Evaluation method of an attribute or feature of an entity under a set of validation case in a testing environment.

Activity in which a system or component is executed under specified conditions, the results are observed or recorded, an…

A set of test inputs, execution conditions, and expected results developed for a particular objective, such as to exerci…

The execution of a test suite on a specific version of the test object.

A set of test scripts or test procedures to be executed in a specific test run.

Methods to determine the extent to which a road user can be impacted by a threat scenario. These methods and their work …

Potential cause of compromise of cybersecurity properties of one or more assets in order to realize a damage scenario.

Situation in which the system of interest is exposed to one or more attacks.

Evolution from an initial state to a final state or the same one, whose evaluation depends on some flows produced by the…

Change from one state to another state or the same state.

A continuant fiat boundary that has exactly two dimensions and is the fiat surface boundary of some material entity, loc…

Evaluation of an entity to determine whether it satisfies the requirements allocated to it at the end of a development p…

The process of evaluating a system or component during or at the end of the development process to determine whether it …

A set of preconditions, inputs, steps, expected results and post-conditions, developed based on a validation objective a…

The execution of a sequence of validation cases for a given execution order, including any associated actions that may r…

An assessment of the benefits that stakeholders will derive from achieving their objectives, taking into account the res…

An assessment (sometimes measure) of how well an organization, project or product satisfies both the need of the users a…

Analysis of the goals to determine what value they will provide to the stakeholder seeking to achieve them.

Breakdown structure of the value that supports the value analysis by following the principles below: (1) A high level va…

Conceptual model which represents the value analysis based on the value breakdown structure.

Analysis of a system of interest to determine what system variants can be derived from it, considering feature variants,…

Alternative entity resulting of an alternative definition of a base entity.

Instance or a value of a variation point.

Evaluation of the deliverables of a given development phase through inspection to determine whether they satisfy the con…

The process of evaluating a system or component to determine whether the products of a given development phase satisfy t…

A filtered projection over a set of concepts created for a certain purpose and covering a certain scope.

Collection of subject domains, classes, relationships, responsibilities, properties, constraints, and notes assembled or…

Abnormal condition of a physical element that can cause an asset to be compromised.

Weakness that can be exploited as part of an attack path.

Termination of the ability of an entity to protect an asset as specified due to a vulnerability.

Defect or characteristic that can lead to undesirable behaviour.

Analysis of the potential weakness of a system element and its effect on the system state it allocates. It includes the …

Information produced by a business, project or engineering activity.

Artifact produced by a process.