In the divergence model, after the event A, M (2 <= m <= 9999999999 ..) a direct successive optional activity
1) M term divergence
Laid M IMA activities at the same time, official name is Parallel Split
2) 1 dispersion
Behind only one event enabled, official name is Exclusive Choice
3) N items divergent
There may be N items in the back, which is enabled, (1 <= n <= m), formal name is Multiple Choice
At present, the general workflow products and XPDL standards only support the first two, and the N items are not strong, but there are already direct N items that support N items such as MQSeries / Workflow.
