The fourth button on this row toggles the Unit Panel display mode (from stack to group composition and back). This is the same as right-clicking in the Unit Panel.
The bottom row of buttons control the PO Assist operation. They turn on/off the display of one or all formation objectives, toggle PO Mode, and execute PO moves.
Finally, let’s look at the popup dialogs.
First, the movement popup:
Note that to get the movement popup, you may have to hold the mouse button down for a short delay, depending upon what you have set the Menu Delay to in the Player Options. Here, I’ve set no delay, so the menu comes up immediately.
Also note that this scenario has a value of 2 for the Improved Road Motorized Movement Divisor. That means that motorized units pay only ½ MP for each improved road hex entered.