A communication channel is the physical or logical medium used to transmit a message from a sender to a receiver, such as a phone call, email, or face-to-face conversation. Choosing the right channel is crucial for effective communication, as different channels can affect how a
message is perceived and understood. Channels are categorized by their method (oral, written, non-verbal) and the nature of the communication flow (formal, informal, and directed upward, downward, or across an organization).