Pro Tools provides Tool Tips in all main windows. Holding the cursor for a few seconds over an abbreviated name, or unlabeled icon or tool, displays either the function or details of the item (depending on the Tool Tips preferences settings).
Shows the functional name of different Pro Tools items (such as specific buttons, indicators, modes, selectors, and Edit tools).
Shows abbreviated or hidden Pro Tools names or values for different Pro Tools items (such as insert names, gain levels, settings, and routing assignments).