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So, since we are talking about use case diagrams, I also want

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to ask you, what are use case diagrams used for? So, what

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are they good for? Why are they useful within a software process?

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Also in this case, I'm providing several possible answers. They are not really

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used for anything. Or, they can be used to prioritize requirements. Or,

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maybe they can be used for user interface design. They can be

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used during requirements elicitation. They can

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be used for code optimization. And

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finally, they can be used for test case design. Also, in this case,

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I would like you to mark all the answers that you think are correct.