This shortcut is used by 15 programs in our database.
There isn't any generic description for this shortcut.
What this shortcut does in different programs?
All programs using this shortcut, by category.
Safari - Highlights the same items as Tab plus all other clickable items. To swap the behavior of Tab and Option + Tab, turn on “Press Tab to highlight each item on a webpage” in the Advanced pane of Safari preferences
How often is this shortcut used in all programs?