The document discusses the three components of effective communication: verbal messages, para-verbal messages, and non-verbal messages. It states that these components are used to send clear, concise messages and to correctly receive and understand messages. Specifically, it provides details on how to effectively use verbal messages, and the roles of para-verbal and non-verbal messages in communication. It also outlines best practices for listening, barriers to communication, and concludes that effective communication is two-way, involves active listening and feedback, and is clear, accountable, and stress-free.