AAR
PBM (although I'm guessing it's something like "Player-based mod")
First Welcome to the org!

AAR:After Battle Report
PBM:Play by multiplayer Mail
KTM:Kick to Menu(Modding problem)
ZOR:Zone of Recruitment
ME:TW Middle Earth:Total War(Rome mod)
VBM:Vanilla Balancing Mod(Rome mod)
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BTW:By the way

Those are utilizated.But I need to know AFAIK, and FTW too