In the middle of the toolbar, the higher row of four buttons takes you to transport, industry, trade, and diplomacy. Each of these four buttons highlights every turn until you have visited that screen.
The lower row of four buttons provides orders for the selected unit on the map. The toolbar includes a mini-map of the world.
In the top row a microscope button takes you to the technology interface.
Hot text in the upper right reminds you of button functions when the cursor is over a button.
