/afk Making tea
/dnd
/onlineSets your status so guildmates see why you are not answering. /afk takes an optional message, /dnd suppresses incoming whispers entirely, and /online clears both.
Reloads the UI without leaving the game. Run it after changing add-on settings so saved variables are written to disk, and any time an add-on stops drawing correctly. Your position, buffs and combat state are preserved.
/reloadui