Retailing involves selling products to consumers for personal use. It matches consumer demand with manufacturer supply. The document discusses various retail formats like traditional stores, department stores, discount stores, category killers, specialty stores, and e-tailers. It also discusses drivers of changing retail structures in India like customers, marketing plans, visual recognition, workplace challenges, and planning for success. Finally, it discusses how the internet redefines the retail industry by supporting marketing, facilitating retail marketing through communication and interaction, and enabling a different retail experience through online shopping.