Intercultural communication involves communication between people with different cultural identities and understanding different cultures, languages, and customs. The document discusses several approaches to intercultural communication: the social science approach focuses on observing cultural behaviors; the interpretive approach focuses on accumulating knowledge through shared stories; the dialectical approach acknowledges cultural complexities; and the critical approach examines how cultures are portrayed in media. It also discusses preparing for intercultural communication, cultural influences on identity, and cultural barriers like discrimination and language differences.