This document discusses speech functions, politeness, and cross-cultural communication. There are six speech functions: expressive, directive, referential, metalinguistic, poetic, and phatic. Politeness can be positive, emphasizing shared values, or negative, showing respect through social distance. Cross-cultural misunderstandings can occur if different cultures have varying social norms around language use. The conclusion states the main speech functions and that positive politeness focuses on solidarity while negative politeness pays respect.