The document discusses linguistic politeness in interactions and requests. It explains that there are external factors like status, age, and power that influence interactions, as well as internal factors negotiated during the interaction, like friendliness. It describes how politeness can be shown through both negative politeness like using deferential language and questions, and positive politeness like emphasizing common goals and solidarity. Requests can be made more or less direct through the language used in order to balance imposing on others with maintaining face.