1: Minimap - shows you a layout of the entire map
2: Money - tells you how much money you have
3: Power needed/available - there will be a white arrow indicating how much power is needed and a coloured bar indicating how much is available for the nations who use power.
4: Selected units abilities shows what the selected unit can do
5: Toggle display turns the display on and off
6: Generals menu buy abilities here using Generals points
7: Selected units image - shows you the unit you have selected
8: In-game menu this lets you exit, save and load games
9: Next idle worker this selects the next worker automatically