Task activity in BPM


Can any one tell me the exact use of type task in designer.Which is the best situation to use task in BPM.


In a process, whenever there is an interaction with Internal systems or People or External Partners, tasks comes into picture…

Refer Getting Started with Business Process Management pdf file from Advantage…

[SIZE=2]The business process interacts with people via tasks. You add task steps to your process model to indicate when in the business process that you want to interact with people.

[SIZE=2]At run time, the webMethods Task Engine executes tasks. The data sent to or retrieved from a person is passed between the business process and the Task Engine using documents.

Pls review the Task Engine userguide/documentation for more elaborated information.