The Outline view displays packages and subroutines defined in the edited file. Modules referenced by 'use' statements are also shown. When you click on a module or subroutine name in the outline, the editor will jump to the appropriate position in the source code. When the cursor is moved inside of a subroutine's definition, the subroutine will become selected in the outline.
Subroutines named new
will get a different icon.