Food is a category of items that includes groceries, prepared meals, and restaurant dining. Groceries are items that are typically used for cooking and are available in supermarkets, convenience stores, and specialty shops. Prepared meals are food items that are already cooked and ready to eat. Restaurant dining refers to the purchase of meals from restaurants, cafes, and fast-food establishments. Food can be purchased in physical stores, online stores, mail-order catalogs, and more. Prices can range from affordable to exorbitantly high depending on the product and quality.