About the route activity in WfMC ).

Route activity does not work, nor is it associated with any resource. So under what circumstances does route activity work?
It is mainly used for flow control. Yes, but it is required in the following cases.
1. If a follow-up activity involves both the and type and the XOR type. The post condition in the activity attribute can only be XOR or and. However, if I have both the and type and the XOR type, the route activity must be used as a transit condition. For example, if activity a wants to execute Activity B when the condition is 1 and Activity C and Activity D when the condition is 2, the flow of Activity C and Activity D must be controlled using the route activity.
2. If the prefix of an activity has both the and type and the XOR type.
3. transitions involving conditional and joins of a subset of threads, with continuation of individual threads