The document discusses different types of retail formats. It describes store-based formats like convenience stores, supermarkets, hypermarkets, department stores, and specialty stores. It also covers non-store formats such as direct selling, mail order, and telemarketing. The key factors used to classify retailers are ownership type (independent, chain, franchise), merchandise offered (food, general goods), and target market (mass, exclusive). Larger store formats that have emerged over time are also explained, such as superstores, combination stores, and big box retailers.