XBOX 360 Controller Element Names
I guess many of you who're new to developing games for the XBOX 360 (either using the dev-kit or XNA) would be always be asking "what are the names of the button"?
Sounds familiar eh? No worries. You're definitely not alone! After gathering many feedbacks, I've came out with a visuals which hopefully would be able to bring you some clarity.

If you're looking for some additional information on how to inteprete the inputs from a XBOX 360 Controller through a PC, Paul has a really great article on it. http://blogs.msdn.com/pstubbs/articles/531008.aspx
Read the complete post at http://darrensim.com/blogs/techbits/archive/2007/05/29/xbox-360-controller-element-names.aspx