1. The document discusses the importance of using correct grammar when making definitions. It provides examples of definitions with and without grammatical errors.
2. Key aspects of a proper definition are identified, including stating the term, class, and differentiating characteristics. Common errors like circular and "is where" definitions are explained.
3. Guidelines are given for constructing accurate definitions using proper grammar, such as keeping the class general enough and avoiding unnecessary details. Readers are encouraged to have a firm grasp of grammar fundamentals.