Please help fill in terms.
BRMA -- Blackrose Mage Arena, a popular player-vs-player fight arena in Blackrose City
DoT -- Department of Transportation. Most cities have one. They have pay teleporters to take you to other cities.
GP -- Glacier Point, a city in the snowy wingtip in the Northeast of Wyvern
HoF -- Hall of Fame: 25th level. Comes with various perks, and is considered the "endgame" for all but the most hardcore players.
MAH -- Minath Auction House, the most popular place for buying and selling items. Also a social hub.
TNL -- To Next Level: Amount of experience needed to reach the next level. You can see it with the "tnl" command.