By default, the Script Editor’s toolbar displays the following icons.
Record. Initiates building a script by translating user actions into script statements.
Stop. Stops script recording or execution.
Run. Runs or compiles and runs the script currently being edited.
Compile. Prepares a script for execution by creating a version of the script that can be executed.
Bundle Contents. Displays a drawer window showing the contents of a bundle (enabled only for script and application bundles).
Every command made available through the toolbar can also be accessed through the Script Editor application’s menus. As such, if you want you may remove the toolbar to make more room inside the editor window by clicking on the ...