The document provides guidance on defining a target market for copywriting purposes. It emphasizes that the target market should be specific rather than vague. It lists many factors to consider when defining a target market, such as age, income, interests, problems to be solved, and motivators. Examples are given to illustrate how the target market can vary depending on the particular product or advertising campaign. The key is to deeply understand the typical customer in order to effectively address their specific wants, needs and problems.