This document discusses the importance of facial expressions in communication. It notes that 55% of communication comes from facial expressions, compared to just 7% from words. It then describes the universal facial expressions for happiness, sadness, surprise, disgust, fear, and anger. For each expression, it provides details on the facial muscle movements and positions involved in displaying that emotion. The document emphasizes that facial expressions are a natural and important part of nonverbal communication, and advocates for openly expressing emotions through one's face.