A fast-food restaurant is a type of eatery that serves quick meals, typically featuring items like burgers, fries, and sandwiches. These establishments focus on speed and convenience, allowing customers to order and receive their food rapidly, often through drive-thru services or takeout options. Fast-food restaurants are known for their standardized menus and consistent quality across different locations. Popular chains include McDonald's, Burger King, and KFC. Many fast-food restaurants also offer value meals and promotions to attract customers, making them a popular choice for people seeking affordable and quick dining options.