This document discusses the relationship between language and identity. It defines language and explores its functions in communicating thoughts and feelings, as well as uniting or dividing people. There are different types of identity, including master, interactional, personal, and relational identities. Language plays a key role in national identity by representing cultures through symbols, history, and education. Cultural identity is also linked to language and how it shapes experiences and group belonging. In conclusion, language profoundly shapes social and ethnic identities by determining social status and power within a community.