This document discusses retailing and wholesaling. It defines retailing as selling goods directly to consumers, and a retailer as a business that primarily generates sales through retailing. There are two types of retailing: store retailing like supermarkets and department stores, and non-store retailing like online sales. Retailers are also classified based on their level of customer service, product line, relative prices, and organizational approach. The document then discusses retailers' marketing decisions around target markets, positioning, product assortment, prices, promotion, and place. It concludes by discussing trends in retailing like the growth of non-store formats and the challenges wholesalers face moving into the 21st century.