He says that your life depends on your power to master words. Stress dissimilarities, differences, or unlikeness of things, qualities, events, or problems. Express your judgment or correctness or merit. Discuss the limitations and good points or contributions of the plan or work in question.
Definitions call for concise, clear, authoritative meanings.
Details are not required but limitations of the definition should be briefly cited. You must keep in mind the class to which a thing belongs and whatever differentiates the particular object from all others in the class. For a question which specifies a diagram you should present a drawing, chart, plan, or graphic representation in your answer. Generally you are expected to label the diagram and in some cases add a brief explanation or description. The term discuss, which appears often in essay questions, directs you to examine, analyze carefully, and present considerations pro and con regarding the problems or items involved.