This document discusses nonverbal communication and how it varies across cultures. It notes that nonverbal communication, such as facial expressions, gestures, eye contact and physical space, conveys over 90% of messages. However, the meanings of nonverbal cues depend on cultural norms. For example, behaviors seen as friendly in one culture, such as physical contact, may be inappropriate in another. The document advises studying a culture's nonverbal communication styles to avoid misinterpretations. Overall, it emphasizes that nonverbal signals are strongly influenced by cultural conventions.