Use this option to step through the program statement by statement. This allows you to branch to other programs.

Execute

Use this option to process a program line by line. All of the statements on the current line are processed in a single step. This allows you to process the whole program.

Return

The Debugger returns to the point at which control returns to the main program. Use this option to return from other programs.

Continue

Use this option to process the program up to the next breakpoint. If there are no more breakpoints in the program, the system exits debugging mode and executes the rest of the program normally. See also Breakpoints.