12+ Use Case Description Diagram. Use case diagrams are defined as diagrams that capture the system's functionality and requirements in uml. The use case model consists of two artifacts:
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They also help identify any internal or external factors that may influence the system and should be taken into consideration. Use case related models are the fully developed use case description, uml activity diagrams, and uml system sequence diagrams (ssd). They always describe the goal from the actors' perspective, the details of the use case will describe the goal with more precision.
A use case diagram doesn't go into a lot of detail—for example, don't expect it to model the order in which steps are performed.
12+ Use Case Description Diagram. Use case related models are the fully developed use case description, uml activity diagrams, and uml system sequence diagrams (ssd). Using a uml use case diagram, you can't. A use case defines what needs to use case diagrams, like use cases themselves, do not have a set form you can follow. Use case testing is a functional black box testing technique.
