The document discusses several approaches to studying discourse, including conversation analysis, variationist analysis, speech act theory, ethnography of communication, interactional sociolinguistics, and pragmatics. Conversation analysis focuses on the sequencing of utterances in conversation. Variationist analysis examines structural categories within spoken texts. Speech act theory analyzes the communicative acts performed through language. Ethnography of communication considers how communication reflects different cultures. Interactional sociolinguistics studies the social and linguistic meanings created during interaction. Pragmatics analyzes what speakers mean through their utterances.