I'm a newbie too and was completely lost but the sticky that the pp (previous post) listed is where it's at. Also checkout "newbie guide for starting out" also in the same sticky. good stuff.
I literally just found out what "bumped" meant. Trust me, it does take a little while to catch on but if you spend enough countless yet completely enjoyable hours on threads, fotki's and member blogs and youtube vids, you'll start speaking the LHCF language.