Terms

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 …

Set of cohesive functions to be performed to achieve a stakeholder's goal, which transforms incoming exchanges into outg…

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

Human that interacts with the system of interest.

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

Attribute of the system of interest that is worth protecting.

Object that has value, or contributes to value.

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…

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…

Modification to any deliverable of a release.

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

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

Requirement that limits the solution space beyond what is necessary for meeting the given functional and non-functional …

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

A specific, bounded configuration of relevant conditions, actors, constraints, and relationships, defined by the presenc…

Measure that is modifying risk.

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

Functional flow made of symbols.

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

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 test case in its context of use.

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

Function devolved to an enabling system.

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

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

System that supports the system of interest during its life cycle stages to achieve the goals it is designed for.

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

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

An Epic is a significant solution development initiative

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

Output produced by an activity and consumed by another activity.

Termination of the ability of a system 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.

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 at least one activity that delivers value by achieving a stakeholder's goal, is evaluated against s…

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.

Output produced by a function and consumed by another function.

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

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

Function hierarchy that is typically used to partition the assigned work and associated resource by following the princi…

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

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

Analysis of the function to determine what states of a functional element are activating it.

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

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

Functional element hierarchy that is typically used to partition the assigned work and associated resource by following …

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

Part of system interface across which two functional elements and/or functional enabling elements and/or actors meet and…

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 …

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.

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.

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

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

Constraint about a hardware.

A feature about a hardware product

Function of a hardware.

Functional requirement about a hardware.

Boundary across which two hardware elements meet and exchange flows.

Non-functional requirement about a hardware.

Implementation of a system composed of hardware only.

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 functions.

Combination of interacting functional elements.

Combination of interacting physical elements.

Combination of interacting states.

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.

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

Time frame in which a set of 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.

Verification of a candidate release during a development phase gate where a decision is made to continue to the next pha…

The broader operational environment surrounding the system of interest, populated by interdependent systems and actors t…

Requirement that pertains to an attribute of the solution.

A quality requirement or a constraint

Analysis of a feature to determine what activities are contributing to it and their relation.

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...).

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 what physical element is realizing it.

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

Physical element hierarchy that is typically used to partition the assigned work and associated resource by following th…

Part of system interface across which two physical elements and/or physical enabling elements and/or actors meet and exc…

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…

Implementation of a system that is produced in a quantifiable manner and delivered to a stakeholder as either an end pro…

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.

Product hierarchy that is typically used to partition the assigned work and associated resource by following the princip…

Decomposition of the product into its components.

Constituent of a product.

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.

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

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 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…

Analysis of an entity to decide what requirements are specifying it.

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 …

An activity which is relevant for safety engineering

A feature about a product which is relevant for safety engineering

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.

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 failures in order to achieve or maintain a safe state.

Functional requirement about a hardware which is relevant for safety engineering.

Non-functional requirement about a hardware which is relevant for safety engineering.

Implementation of a system composed of hardware only which is relevant for safety engineering.

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

Risk related to an hazard.

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

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 failures in order to achieve or maintain a safe state.

Functional requirement about a software which is relevant for safety engineering.

Non-functional requirement about a software which is relevant for safety engineering.

Implementation of a system composed of software only which is relevant for safety engineering.

Constraint about a system which is relevant for safety engineering.

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

Functional requirement about a system which is relevant for safety engineering.

Non-functional requirement about a system which is relevant for safety engineering.

An activity which is relevant for security engineering

A feature about a product which is relevant for security engineering

Goal which is relevant for security engineering.

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 failures in order to achieve or maintain a secure state.

Functional requirement about a hardware which is relevant for security engineering.

Non-functional requirement about a hardware which is relevant for security engineering.

Implementation of a system composed of hardware only which is relevant for security engineering.

Risk related to an attack.

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

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 failures in order to achieve or maintain a secure state.

Functional requirement about a software which is relevant for security engineering.

Non-functional requirement about a software which is relevant for security engineering.

Implementation of a system composed of software only which is relevant for security engineering.

Constraint about a system which is relevant for security engineering.

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

Functional requirement about a system which is relevant for security engineering.

Non-functional requirement about a system which is relevant for security engineering.

A transient state that arises within a context in response to one or more events, capturing a distinct configuration of …

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

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…

Constraint about a software.

A feature about a software product

Function of a software.

Functional requirement about a software.

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

Non-functional requirement about a software.

Implementation of a system composed of software only.

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

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

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

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 a system attribute, or a system feature, 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.

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

State hierarchy that is typically used to partition the assigned work and associated resource by following the principle…

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

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

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

System hierarchy that is typically used to partition the assigned work and associated resource by following the principl…

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

Constraint about a system.

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.

Function of a system.

Functional requirement about a system.

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

Non-functional requirement about a system.

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, (2) Reductionism,…

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.

Evaluation method of an attribute or feature of an entity under a set of test 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 preconditions, inputs, steps, expected results and post-conditions, developed based on a test objective and acc…

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

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

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.

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 …

Evaluation of the deliverables of a given development phase to determine whether they satisfy the conditions imposed at …

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

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 a system to protect an asset as specified due to a vulnerability.

Defect or characteristic that can lead to undesirable behaviour.