> What do those abbreviations mean?

http://www.acronymfinder.com
Best used with a browser other than IE, because it uses "tricks" to
foist popups on the user, and IE succombs to those tricks. It's
otherwise a good resource.
http://taa.pileofcrap.org/
is another acronym resource of interest.

Jose
--
"Never trust anything that can think for itself, if you can't see where
it keeps its brain." (chapter 10 of book 3 - Harry Potter).
for Email, make the obvious change in the address.