Shopping may be defined as the act of trading currency to obtain goods and services from retailers. Items, goods, or services that are selected and purchased may be items that are neccessary (food, clothing, or medicine)or for recreation purposes only. Recreational shoppers purchase CD's, DVD's, books, clothing, or any other items that are for entertainment only. There are several varieties of shops including clothing stores, department stores, bookstores, hardware stores, grocery stores, markets, pharmacies, and restaurants. Most supermarkets and retail stores are divided into different departments such as home and garden, health and beauty aid, toys, electronics, crafts, clothing, and grocery.