Fast food outlets are take-away or take-out providers, often with a "drive-through" service that lets customers order and pick up food from their cars, but most also have indoor and/or outdoor seating areas where customers can eat on-site.

Nearly from its inception, fast food has been designed to be eaten "on the go," often does not require traditional cutlery, and is eaten as a finger food. Common menu items at fast food outlets include fish and chips, sandwiches, pitas, hamburgers, fried chicken, french fries, onion rings, chicken nuggets, tacos, pizza, hot dogs, and ice cream, though many fast food restaurants offer "slower" foods like chili, mashed potatoes, and salads.

Traditional street food is available around the world, usually from small operators and independent vendors operating from a cart, table, portable grill or motor vehicle. Common examples include Vietnamese noodle vendors, Middle Eastern falafel stands, New York City hot dog carts, and taco trucks. Turo-Turo vendors (Tagalog for point point) are a feature of Philippine life. Commonly, street vendors provide a colorful and varying range of options designed to quickly captivate passers-by and attract as much attention as possible.

Because of commercial emphasis on quickness, uniformity and low cost, fast food products are often made with ingredients formulated to achieve a certain flavor or consistency and to preserve freshness.