Once use cases accept been identified, argument can be accounting anecdotic how the user and arrangement will interact. A robustness assay is performed to acquisition abeyant errors in the use case text, and the area archetypal is adapted accordingly. The use case argument is important for anecdotic how the users will collaborate with the advised system. They aswell accommodate the developer with something to appearance the Customer and verify that the after-effects of the requirements assay were correct.
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