American fast food refers to a style of food service that emphasizes quick preparation and convenience. It typically includes items like hamburgers, fries, and fried chicken, often served in a casual dining environment. Major chains such as McDonald's, Burger King, and KFC dominate the market, offering standardized menus across locations. This type of food is characterized by its affordability and speed, making it popular among busy consumers. Many fast food restaurants also provide drive-thru services, allowing customers to order and receive their meals without leaving their vehicles. The industry has also seen a rise in healthier options in response to changing consumer preferences.