This document provides an overview of intercultural communication and cultural differences. It defines culture and why cultures differ, and discusses types of cultural communication including cross-cultural, international, multicultural, and intercultural communication. Examples of cultural differences in business are provided around gestures, touch, masculinity and femininity, and the separation of power. The importance of intercultural communication for international business success is outlined. Globalization and a multicultural workforce are two trends driving greater intercultural communication needs. Guidelines for effective intercultural communication include dos like avoiding assumptions and don'ts like considering other traditions backward. The conclusion emphasizes that not practicing effective intercultural communication can damage business deals.