This document defines and describes various retail store formats and non-store retail formats. Store retail formats include department stores, specialist stores, category killers, convenience stores, supermarkets/superstores/hypermarkets, catalogue shops, discount stores, and factory outlets. Non-store retail formats consist of mail order, direct selling, personal retailing, telesales, and internet retailing. Each format is briefly characterized, such as department stores offering a wide product range across multiple floors and specialist stores focusing on a narrow customer segment.