This document summarizes key concepts about retailing and wholesaling. It defines retailing as selling goods or services directly to consumers, and wholesaling as selling to businesses for resale. Retailers are classified based on factors like level of service, product line, ownership structure. Common retail store types include department stores, supermarkets, superstores. The document also discusses retailer decisions around product assortment, pricing, promotion, and location. It then defines wholesaling and explains why wholesalers are used to perform functions like managing risk, transporting goods, and financing for businesses.