The document discusses discourse analysis and the differences between spoken and written language. It summarizes that discourse analysis focuses on language beyond the sentence level. It notes that language serves both a transactional function of expressing content and an interactional function of expressing social relations and attitudes. While spoken and written language are related, they differ in form. The document analyzes in spoken language is based on natural language utterances rather than constructed examples, and involves discovering regularities in authentic data within a context.