This document discusses verbal and non-verbal communication. It notes that words only account for 7% of communication, while tone, volume, and other paralinguistic features make up 45%. The remaining 55% is non-verbal communication including body language, choice of clothing, and other visual cues. Specific types of non-verbal communication discussed include proxemics, haptics, kinesics, chronemics, and others. Effective communication relies on both verbal and non-verbal elements being aligned and understood.