When manipulating the Handles on a Section Box. It would be useful, when touching / activating the handle that it Displays its assigned TOP, BOTTOM, LEFT, RIGHT, FRONT & BACK direction, as shown in the View Cube.
The size of the grips should be adjustable and should have an option to show them persistently, rather than only when the section box is selected -- sometimes in a complex model the grips are very hard to find.