A pool container of diagram. Most of business processes requires more than one diagram for different operations. For example advance request and expense payment diagrams can be defined in one process.
For a pool, you can configure following:
Name
Identifies the pool. This information only used for process designers and are not visible by users.
Default Form
Default selected form to show users if task does not specify any form.
Data Root: Root data element to be used from data model. Different pools may share same root element.