This document provides an overview of definitions and the different types of definitions. It discusses the key topics of connotation versus denotation, the two parts of a standard definition, and four types of definitions: lexical, ostensive, operational, and theoretical. The goals are for students to understand connotation and denotation, be able to identify them in definitions, and write good examples of each. The session outlines the topics to be covered and provides a reading list and outline for the discussion on definitions.