The document discusses the key aspects of effective communication. Effective communication requires being clear, accurate, relevant, timely, and meaningful. It also requires the receiver to be engaged by listening attentively and providing feedback. Some principles for effective communication are the 7Cs - communication should be complete, concise, considerate of the audience, clear, concrete, courteous, and correct. Additional factors like tone of voice, rate of speech, and word choice also impact communication effectiveness. Effective listening is also important for communication to be a full, two-way process.