1. The document discusses topics and the representation of discourse content. It defines topics as the subject matter of a text and distinguishes between sentential topics and discourse topics.
2. Various ways of expressing topics are described, both formally through topic framework and boundaries markers, and informally through relevance and speaking topically.
3. Memory for text content and representing text content as a network is also covered. Story grammars and networks are proposed as ways to model the representation of discourse content and the relationships between elements in a text.