Let's Learn About Your Camera's Settings!
And then forget about them.
(No, really. I mean it!)
Camera commandment: Know thy camera
If you are interested in photography for any reason, whether it be a personal or business pursuit, one of the best things you can do for yourself is get to know your camera.
Even better is to know your camera on an intimate level.
If you still have lingering questions along the lines of "ooh what does this button do?" then I suggest snuggling up with a cup of tea (or a beer - your choice), your camera, and the dreaded manual!!