yeah, i don't know, maybe my grandma released her poodle, and now its chewing on my ankles.
Edit: Dude, really, that was a stupid question, it must have been asked over a thousand times, if you would have taken the time to look around the forum a bit, you would have found several topics containing this answer.
No offense but really its not that hard to find... What I did to get used to WE is I went around checking stuff out all over the WE. Then I came here asked a few things. Just a few pointers