Scenario-based Modeling

Updated 06 Sep 2026

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What it is
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  an analysis modeling approach that represents system behavior through the perspective of user interactions using scenarios and use cases
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Elements
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  use-case diagrams — how external actors interact with the system
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  activity diagrams — how software functions are processed; can be represented at many levels of abstraction
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  functional flow charts — describe the sequence of functional steps
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Purpose
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  captures functional requirements from the user's perspective
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  provides input for class identification and behavioral modeling
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Related

Linked references 7