This document discusses methods of communication, including verbal and non-verbal communication. Verbal communication includes oral communication methods like conversations and presentations, as well as written communication methods like letters, reports, and manuals. Non-verbal communication refers to body language, gestures, facial expressions, eye contact, and other visual cues. Certain non-verbal signals can have different meanings across cultures. The document emphasizes the importance of being aware of non-verbal communication and ensuring verbal and non-verbal messages are aligned.