Contains two glossaries of commonly-used terms. Select each letter for that part of the glossary.
Contains a list of the terminology used in requirements management, systems engineering and V&V (validation and verification), including terms used in model-based systems engineering (MBSE). The definitions of some of these terms are often the subject of debate. These are our definitions. If you disagree with any of them, please contact us to discuss! This list is not exhaustive.
A B C D E F G H I N O P Q R S T U V W
U: |
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Use Case |
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A description of an interaction between an actor and a system that results in an outcome that provides value to the actor. |
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Use Case Diagram |
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An analysis model that identifies the actors who can interact with a system to accomplish valuable goals and the various use cases that each actor will perform. |
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User |
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A customer who will interact with a system either directly or indirectly (for example, using outputs from the system but not generating those outputs personally). Also called end user. |
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User Class |
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A group of users for a system who have similar characteristics and requirements for the system. |
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User Requirement |
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User goals or tasks that users must be able to perform with a system, or statements of the user’s expectations of system quality. |
Contains a list of the principal terminology used in Cradle. This list is not exhaustive.