This document discusses communication styles and language varieties in multicultural contexts. It begins by outlining four learning outcomes around communication styles, language varieties, cultural awareness, and language diversity. It then defines four main communication styles (spirited, systematic, considerate, direct) based on levels of assertiveness and expressiveness. Next, it examines language varieties like dialects, pidgins, creoles, and registers of language. It notes that language use depends on factors like context, audience, and purpose. The document concludes by providing guidelines for improving intercultural communication abilities, such as removing biases, seeking cultural information, understanding different perspectives, and communicating flexibly.