A question which asks you to illustrate usually requires you to explain or clarify your answer to the problem by presenting a figure, picture, diagram, or concrete example. Illustrate the use of catapults in the amphibious warfare of Alexander. An interpretation question is similar to one requiring explanation. Interpret the poetic line, 'The sound of a cobweb snapping is the noise of my life. In such an answer, give evidence, present facts to support your position.
Listing is similar to enumeration.
You are expected in such questions to present an itemized series or a tabulation. Such answers should always be given in concise form. List the steps involved in changing a flat tire safely. An outlined answer is organized description. You should give main points and essential supplementary materials, omitting minor details, and present the information in a systematic arrangement or classification.