This document provides an introduction to the world of retailing. It defines retailing as business activities that add value to products and services sold to consumers. Retailers are part of the distribution channel between manufacturers and consumers. Retailers add value by providing assortment, breaking bulk, holding inventory, and offering services. Retailing is socially and economically significant due to retail sales, employment opportunities, and role as a global industry. The nature of retailing is changing from traditional mom and pop stores to today's technology-driven retailers.