Definitions for "Process group"
In PeopleSoft Financials, a group of application processes (performed in a defined order) that users can initiate in real time, directly from a transaction entry page.
a collection of related processes, such as a shell pipeline, all of which have been assigned the same process-group identifier
a collection of sequentially and logically dependent processes that portrays a summarized view of a scenario
a construct that enables a number of concurrent processes to cooperate by sharing a single communication mechanism
a way that the signals generated by the terminal driver are sent to the correct processes
Keywords:  membership, change, set, over, may
a set of processes whose membership may change over time
Keywords:  necessary, step, job, related, perform
a related set of processes necessary to perform one job step