This document discusses the key elements of communication: message, sender, channel, and receiver. It defines each element and provides examples. The message is the information being transmitted from the sender to the receiver. The sender is the originator of the message and can be an individual or group. The channel is the medium used to transmit the message, such as internet, media, or written form. The receiver is the intended recipient who must understand the message for communication to be successful. Together these elements interact in the communication process.