Use cases and Scenarions

A Use case is a “description of a set of actions, including variants, that a system performs that yields an observable result of value to a particular actor (Jacobson et al. 2000)

A Scenario is ” a specific sequence of actions that illustrates behaviour “(Jacobson et al. 2000) – Istances of a use case: each scenario is associated with one or more scenarios

Reference: Neil Maiden (2011) Requirements Engineering Lecture Notes

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