This is your profile. You can view your skills, global rating, as well as being able to select a different skin. On the right, your inventory is displayed.
This progress bar displays your global rating. You can learn how to increase it here.
Here, you can configure and personalize your account's settings. You can alter visual settings, audio settings, and game controls (as well as re-mapping keys).
Selecting the "Best Graphics" option sets visual properties to their highest settings; G:P - 100:0. Selecting the "Fast Performance" option sets visual effects to their lowest settings; G:P - 0:100