| AC | Armor Class |
| ack | exclamation used to show fear or surprise |
| add | means more mobs are aggroing the team than were expected |
| adv | Adventurer |
| AE | Aegan |
| aer | are, a common spelling error that has become a deliberate part of game speak |
| afk | away from keyboard |
| aggro | the aggression a monster directs towards it's attackers, treatment kits and other devices will not work while a player is aggroed |
| agi | the agility ability |
| AH | Athen Hill, the raised area in the middle of the city of Old Athen, a common meeting place |
| alpha | collection of special attack that in some cases can kill a player/mob within the first few seconds of combat |
| alt | alternate, a character which is not the main character you play |
| AN | Andromeda |
| Anon | A player has chosen to flag themselves as anon(ymous) to not show up if ppl use the /list "location" command. |
| AO | Anarchy Online - Let's hope you knew this one. |
| AoE | area of effect - something which affects a group of mobs/characters within a certain range of the target. Circle Scythe would be an example of an AoE nuke (damage nano), cluster bullets are an AoE special attack, etc. |
| AR | attack rating |
| ARK | Advisor of Rubi-ka. They are here to help you. try /petition to reach a ARK. Not actual workers for FC, they are voulenteers |
| AS | Athen Shire, also aimed shot; a special attack that deals a variable amount of damage, and requires the attacker to be concealed |
| ATM | at the moment. "Nah, no more buffs, full atm" meaning "I'd love that buff, but can't fit it into my NCU right now" |
| auras, speeches | Engineer and Bureaucrat area buffs/debuffs that recycle every 20 seconds, also called speaches |
| AV | Avalon |
| avatar | your avatar is the visual representation of your character you see on screen (example: "I have blond hair in real life but my avatar is brunette") |
| aye | yes |
