Switches the Format Toolbar (which contains text and paragraph formatting functions) on and off.
Switches the Side Panel on and off.
Toggles the cursor between the main edit window and the Pad, so you don't need to use the mouse. If the Side Panel is showing one of the other pages, the Pad is brought into view.
Repaints the text area and updates the state of all buttons and menu items. This isn't necessary in normal use of the program, but if the window becomes corrupted in some way, this option should cause it to be redrawn properly.