chat(A real-time conversation via computer using short instant messages between two or more participants. When a participant types a line of text and then presses the Enter key, that participant's words appear on the screens of the other participants, who can then respond in kind); IM(A method of real-time communication over the Internet in which a sender types a message to one or more recipients and the recipient immediately receives the message in a chat area); instant message conversation(A real-time communication over the Internet in which a sender types a message to one or more recipients and the recipient(s) immediately receives the message in a pop-up window); instant messaging(A method of real-time communication over the Internet in which a sender types a message to one or more recipients and the recipient immediately receives the message in a chat area); instant messaging session(A real-time communication over the Internet in which a sender types a message to one or more recipients and the recipient(s) immediately receives the message in a pop-up window)
