Dispatcher recieves the request from client and assigns the request to one of the work process. Roll area: Each workprocess works in a particular memory that memory is known as Role Area, which consists of User context and session data. ABAP- Processor :is an interpretor which can execute logic
End of the selection event is mostly used when we are writing HR-ABAP code. In the HR-ABAP code, data is retrieved in the start of selection event and printing on the list and all will be done at the end of the selection event.