Compile. Compiles the script. To force recompilation even when Script Debugger thinks the script doesn’t need compiling, choose Recompile (by default, this appears when you hold down the Option key).

Record. Turns on AppleScript recording mode, so that user actions in recordable applications are written into the script.

Execute. Runs the script, compiling it first if necessary. Submenus allow certain handlers to be called individually. When paused in debug mode, becomes Resume, and continues execution from the paused line.

Trace. In debug mode, starts tracing. Submenus allow certain standard handlers to be called individually.

Stop. Aborts the running script.

Pause. In debug mode, pauses the script after the line currently being executed.

Step Over, Step Into, Step Out. The step commands, used in debug mode. Submenus allow certain standard handlers to be called individually.

Enable Debugging. Toggles on or off debug mode.

Show/Hide Result. Opens or closes the result drawer.

Show Result in Viewer. Shows the result pane as a separate viewer window.

Show Last Error… Shows the error dialog for the most recently encountered error.

Show Leaks… Shows the leaks dialog.

Show Code Coverage. Toggles code coverage on or off.

Clear Code Coverage. Removes code coverage marks without toggling code coverage off.

Break on Exceptions. In debug mode, toggles whether or not runtime errors cause a pause.

Break on Breakpoints. In debug mode, toggles whether or not breakpoints operate at all.

Set/Clear Breakpoint. Creates or removes a breakpoint at the currently selected line.

Set Temporary Breakpoint. Creates a temporary breakpoint at the currently selected line.

Execute to Here. Sets a temporary breakpoint at the currently selected line and starts or resumes execution.

Trace to Here. Sets a temporary breakpoint at the currently selected line and starts tracing.

Clear All Breakpoints. Removes all breakpoints.

New Expression. Creates a new empty expression, ready for editing.

Copy To Expressions. Creates a new expression by copying the current selection.

Clear All Expressions. Deletes every expression.

Default Target. Sets the implicit target for the script.

Parent Script. Sets the parent of the script to another currently open script.