A scope is a structured activity (see the section above entitled "activities") that allows grouping of activities.

作用域是允许活动分组的结构化的活动(请参阅前面一节，标题是“活动”)。

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There is a new rectangle item on the palette that you can use to draw a rectangle in the process diagram to show a logical grouping of activities.

面板上有一个新的矩形项，您可以将其用于在流程图中绘制矩形，以表明活动的逻辑分组。

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A Lane represents a grouping of activities, usually to indicate that they are all performed by the same entity (e.g., person or it system) or role.

Lane表示活动的分组，通常用于表明一组活动均由相同的实体(例如，人员或IT系统)或者角色执行。

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