This information can be used to help the readability of the model for a human, and can even be used to change the icon representing the class in a CASE tool such as Rational Rose.

这种信息有助于人们对模型的可读性，甚至可以用来改变表示CASE工具(例如Rational Rose)中类的图标。

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This scenario illustrates a simple "create a process model in Modeler, generate the model, change the model, and generate again" case.

该场景展示一个简单的 “在 Modeler 中创建一个流程模型，生成模型，更改模型，再次生成” 实例。

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Note that you can change the out-of-the-box use case attributes and their values in the RequisitePro project associated with your model.

注意你能够在与你模型相关联的RequisitePro项目中改变直接可用的用例属性及其值。

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