Maybe a list of acronyms?

That could be useful for newcomers. I figured out most of them, but I keep forgetting them and having to start again. A reference list of the various acronyms often used here could be so handy...
TheStoner wrote:PDF?
Mandrake wrote:http://www.youtube.com/watch?v=zkWMcRlE1mQ" target="_blank" target="_blank
Not quite acronyms but still worth seeing!