1. Public speaking is the process of communicating information to an audience and is a valuable skill both personally and professionally. 2. Good public speakers appear confident, friendly, and energetic through preparing well, enjoying their topic, smiling, and choosing a topic they are knowledgeable about. 3. Voice control, body language, delivery, and audience relations are important aspects of public speaking. Voice is controlled through diaphragmatic breathing and by varying tone, pitch, and volume, while body language, slow clear delivery, eye contact and acknowledging the audience are also emphasized.