The Triggers for Workflow screen allows you to invoke processes that help in mapping a logical sequence of business scenarios for purposes of creating workflow incidents.
program: This is the name of the program associated with the trigger.
Trigger: This is the name of the trigger event.
Interval: This is the frequency of trigger.
Start date: This is the date when the trigger event starts
End date: This is the date when the trigger event ends
last Run Date: this is the maximum date when trigger is event is expected to run.
users: This is the person responsible for the trigger