The document provides an overview of business communication as part of an MBA course, defining communication as the process of sharing information, ideas, and emotions through various means. It outlines the components of communication, including the sender, message, medium, receiver, feedback, and the types of communication classified by channel, style, and purpose, particularly emphasizing verbal and non-verbal communication. The document highlights the importance of both written and oral forms, as well as the significant impact of non-verbal cues in conveying messages.