1. The document discusses the theory of communication, outlining key concepts such as the meaning of communication, characteristics of human communication, role of communication in business, definitions of communication, encoding and decoding, elements of the communication process, and the communication process itself.
2. It defines communication as sharing or making common, and notes it is an important aspect of human behavior that involves transmitting messages through language, gestures, or other symbols.
3. The communication process involves a sender encoding a message, sending it through a channel, a receiver decoding the message, and potential feedback from the receiver. Context, environment, goals, and the relationship between parties also impact communication.