subprocess and callable process

1.Difference between subprocess and callable process
a.Subprocess is not self contained process where as callable is self contained.
b.Callable process flow start with none where as subprocess flow start with start event.
Which statement is true?

Hi Sadiya,

please have a look at the BPM_Process_Development_Help documentation for your wM version.

There are two chapters under Chapter 7 “Process Engine Processing” dealing with “Subprocess Concepts” and “Call Activity Concepts”.
I think your questions will be adresssed there.