Multiple textures on one mesh?

It probably does, I havn't explored it much. I'm also wondering, well, here's an example: There is a texture that came in a tutorial for a ferrari. It's just all the sides of the ferrari on different parts of a picture, but how would someone who made it know where those parts would fit on the mesh? (I can show it to you but I don't know how to put images on a post)

P.S. Tattoo does have the texture information in the mesh :) I just tried it.