A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 100,417
Some of the major fora on FT (especially legacy airlines) have their own glossary. Look for links in the sticky thread information that you find at the top of such fora.
This is especially useful for people who spend most of their time in one or a few fora here.