This document discusses the dimensions of nonverbal communication across cultures. It defines nonverbal communication and lists its key components such as facial expressions, tones of voice, spatial relationships, and bodily language. It then examines 8 dimensions along which cultures can vary in their nonverbal communication styles, including context, individualism vs collectivism, power distance, gender roles, uncertainty avoidance, time orientation, and physical proximity. Understanding differences across these dimensions can help improve intercultural communication competence.