Pause the game

Show / Hide the interface

(When building) Rotate the consturction

Show the construction grid

Select your entire army

Select unit

(hold) Stop your unit and let them prepare their weapon

Hide the terrain, display the grid

(hold) Display health bars of all units on the screen

Select all units of that type on the screen

Recall a control group assigned earlier

Select all units of that type

Assign units or buildings to a control group

(When selling in the market) Speed up sell rate