This document discusses cultural differences in nonverbal communication across various regions of the world. It notes that certain gestures considered normal or polite in some cultures, such as displaying the sole of one's foot, can be seen as extremely rude in other cultures like many Middle Eastern Islamic countries. Additionally, it highlights differences in personal space norms, with Latin Americans typically standing closer (15-30 cm) when speaking than Americans (60 cm). The document also provides examples of gestures signaling agreement in Asian and Japanese cultures that differ from Western gestures.