Ok, so that is a basic rundown of various diaper styles. If it was not clear or you just want to see other descriptions here are a few links to great sites with diaper descriptions:
This link will answer pretty much any question you have, it is also a great place to buy diapering products!
Learn about cloth diapering! This link also has great info on making your own diapers!
This site also has reviews and rankings for almost every cloth diaper out there!