Hey I Just want to learn more about what Im messing with and how it will affect my shots.

What is:

Exposure time?
My exp. says I can go from -2 to 2+. What will it do?
Superfine, fine, normal?
Iso Speed (50, 100, 200, 400, my options)
Effect: Vivid,Neutral,low sharpening, sepia

All I really need to know!

Thanks Jon