To be clear as to meaning it a good idea to define TLA's .
Don't recognize TLA? Three Letter Acronym
(or Four or Six, whatever)
Different industries/organizations often have different meanings and you can get some pretty odd or hard to understand responses when someone that uses a TLA that means something different to them then to you.
Museum of Fine Arts ?
Mortgage Finance Authority?
Master of Fine Arts?
Multi Factor Authentication?
Monkey Fungibles Association?