Controls – Actions available at the moment, for example picking up a tool.
Move tool – Allows you to lower or raise the tool you're currently using. It only changes the looks.
Hour and weather – Displays current time and weather. Pay attention especially to the second one.
Time speed – Shows the current time speed settings - from the slowest (1x) to the fastest (120x).
Finances
Minimap – Allows you to locate your current position. Your coordinates are displayed in the top right corner.
Vehicle information – Here you can see info like current speed, fuel amount, the plant that is being harvested/sowed, container capacity, implements attached and also the vehicle's maximum speed.