This document discusses business communication and provides an overview of communication concepts. It defines communication as the exchange of information between two or more people. It then presents a model of the communication process, outlining the key elements of a sender encoding a message, transmitting it through a channel, a receiver decoding and understanding the message, and the potential for noise. It also discusses feedback. The document further explores characteristics of communication, purposes of communication in business, principles for effective communication, types of communication including verbal and non-verbal, and limitations of communication.