instant message (IM)
Noun, Software
instant messaging (IM)
Noun, Software
to dispatch a messenger
Verb
bulletin board, notice board, announcement board, message board
Noun
to present a message
Verb
to transmit a message
Verb
to leave a message for sb
Verb
short message service (SMS)
Noun
to write a message in cipher
Verb
to send a message by telephone
Verb