Left Click on unit to select it. ‘Left Click’ on the ground to reset selection. To select multiple units press and hold left mouse button and drag rectangle around a units.
To make group of units select them, press and hold ‘Left Ctrl’ and set the number of group (from 1 to 9). Now you can call existing groups by their numbers.
To see unit description select its avatar.
Select the units and Right-click on the spot that you want them to go. You can see the units path, considering the avoidance of obstacles.
Select unit, Left Click on the ‘PATROLLING’ button and Right Click on the next patrolling location.
Some units can also move around in the air, on the water, underwater and even around in the outer space.