First off, welcome to the homebrew communtiy.
Second don't let the guys around here know that you like any of the big three
Just kidding, Here is a link that will help you to understand styles they give good descriptions and then at the bottom give you a commercial example.
If youare interested in doing a fruit beer I would suggesst looking around the forum for sugestions, but most people put it in the secondary fermentor. You can pretty much add fruit to any beer style that you want. not saying it is going to lend it self well to every style but it's possible.