This document discusses nonverbal communication and body language. It identifies types of nonverbal cues like facial expressions, eye contact, and posture. Important researchers in this area like Albert Mehrabian are referenced, including his findings that 7% of communication is verbal words, 38% is paralinguistic cues like tone of voice, and 55% is nonverbal behaviors. The document explores concepts like congruence, mixed messages, personal space, and conveying authority. Specific body language signals from head to toes are examined.