You can compress logical blocks in
the ABAP Editor by choosing
Settings -> Editor mode -> With compression logic.
Highlighting key words
Chose Settings -> Editor mode
-> Key word large.
Call details
To display a list of the modules and
routines that call the component you are editing, or a list of the
further procedures that it itself calls, choose Utilities ->
Call details, followed by either Called by or Called, from the ABAP
Editor.