Application Selects the application window as the current window. ──────────────────────────────────────────────────────────────────────────────
This option will bring up the application screen, if it is not already on the screen, and select it as the current window.
When selected, with the mouse, the right mouse cursor will allow you to pop-up the screen ruler and allow you to move it around the application window. If you are not using the mouse, then selecting the application window with <F4> or <Alt><0> then simply pressing any of the cursor keys will select and move the ruler.