This document provides an outline for a lecture on contrasting types of discourse. It will cover four key topics: 1) types of disputes such as verbal and substantive disputes, 2) metaphors and proverbs, 3) common linguistic vices like vagueness and ambiguity, and 4) types of discourse revealed in passages including narratives, instructions, rhetorical/polemic, and arguments. The goal is for students to understand different forms of discourse and how to communicate clearly to avoid misunderstandings.