The document discusses language and discourse. It defines language as the method of human communication, either spoken or written, using words in a structured and conventional way. Discourse is defined as a system of thoughts composed of ideas, attitudes, and courses of action that construct the subject and meaning of words. The document examines language as a way to interact and communicate with others, expressing thoughts and living culture. It also explores discourse as the study of how language is used in context and situations, and how discourse analysis examines texts and the factors involved. The conclusion discusses how language and discourse evolve over time to describe new understandings but are also associated with power and ideology.