/alias add bree /travel Bree-land
/alias add ered /travel Ered LuinHunters and everyone with a map skill accumulate dozens of travel destinations. An alias per destination is far faster than opening the skill panel every time.
Sends a private message, and /r replies to whoever contacted you last. Both accept partial names with tab completion.
/tell Playername Invite when you have a slot
/r On my way