Group tell

All of these commands send messages to other players. GTELL sends a message to
all of the characters in your group, wherever they are, even if they are
sleeping or stunned or dying. ‘;’ is a synonym for GTELL.

SAY sends a message to all awake players in your room. The single quote ”’
is a synonym for SAY.

SAYTO sends the message to everyone in the room, but directs it to a single
player. SAYTO BELLAS Hi. would show everybody in the room:
PlayerBob says to Bellas, ‘Hi.’

TELL sends a message to one awake player anywhere in the world.

REPLY sends a message to the last player who sent you a TELL. REPLY will work
even if you can’t see the player, and without revealing their identity. This
is handy for talking to invisible or switched immortal players.

RETELL allows you to send a tell back to the last person you tell’ed
without having to type their name again. This is especially useful if you
are receiving multiple tells and do not wish to mix up replies.