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The first line is the current statement. The second line is the statement that called the first line, etc.
Click on a line to bring that script into a sheet and highlight the line in the Script editing window.
Object and Proc lists
The Object list shows all the objects for the current module. The Proc list shows all the procedures for the current
object.
The "(General)" object groups all of the procedures, which are not part of any specific object.
Selecting a procedure that is not bold inserts the proper procedure definition for that procedure.
The Break bar
The Break bar shows which lines have break points. It also shows which line is next to execute.