Communication is done with the following commands:

say <message> or "<message> -- sends <message> outloud to players in room.
whisper <player> = <message> -- sends <message> privately to <player> in room.
page <player> = <message> -- sends <message> privately to <player> where ever.
mutter <player> = <message> -- sends <message> to players in the room
                  *except* <player>
gripe <message> -- sends <message> to the Mud Administrator.
@wall <message> -- sends <message> to all users on Mud.  (restricted)
:<fake action> -- lets you perform an action others can see.
;<fake action> -- lets you perform an action others can see different format.

see also: say , dsay, whisper, page, gpage , mutter , gripe , @wall , : , ;