i know i'm a noob, but i keep hearing people say "watch your threat meter", how do i get said threat meter, down load it? and i see post that have coordinate numbers for boss locations and stuff, how do i get this. please help

yeah i have no idea how tooo rofl and im no noob im lv51 still no idea..

Try going to Curse.com...you can get just about all the add ons you will need, plus it gives very good descriptions and photos about each one...plus they can even be broken up by class...

They are called mods, you have to download these from websites u copy them to WoW directory/interface/addons