图 20: 一个没有任何任务描述符的轻量级别的流程。
Figure 20: A lightweight process without any task descriptors.
在这些被称为RMC的任务描述符的任务应用下，你可以看到执行角色清单以及输入输出工作产品。
Below each of these task applications, referred to as task descriptors in RMC, you see lists of the performing roles as well as the input and output work products.
如果你深入调查，你就会发现两个任务描述符的列表是不同的，表达了在整个生命周期中执行详述用例方法任务的不同。
If you look closely, you see that these lists are different for each of these two task descriptors, expressing differences in performing the detailing use-case methods throughout the lifecycle.
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