use case use case diagram
A condition or situation during the life of an object during which it satisfies some condition, performs some activity, or waits for some event [BRJ99],
A diagram that shows a state machine; statechart diagrams address the dynamic view of a system [BRJ99].
A behavior that specifies the sequences of states an object goes through its lifetime in response to events, together with its responses to those events [BRJ99].
The Unified Modeling Language, a language for visualizing, specifying, constructing, and documenting the artifacts of a software-intensive system [BRJ99].
A description of a set of actions, including variants, that a system performs that yields an observable result of value to an actor [BRJ99].
A diagram that shows a set of use cases and actors and their relationships; use case diagrams address the static use case view of a system [BRJ99].
use case model
The set of all use cases for a problem represented in one diagram.
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