The ‘Use Case Diagram’ supports two unique diagram constructs: a ‘Use Case (Action)’ and a ‘Performer (Asset).’ Each diagram construct is described in more detail below:
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Use Case (Action)
In the system model, an Action entity is used to represent a ‘Use Case’ construct. In the diagram, this construct is represented as an oval and contains the name of the ‘Use Case.’
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Performer (Asset)
In the system model, an Asset entity is used to represent a ‘Performer’ construct. In the diagram, this construct is represented as a stick figure with the name of the ‘Performer’ underneath.
