A fast-food restaurant is a term used to describe a restaurant that provides quick service, pre-prepared food, and limited table service. However, there are several synonyms to describe fast-food restaurants. One such term is a "quick-service restaurant" or "QSR" - a term used to encompass a wide variety of food-service outlets that emphasis on speed, convenience, and affordability. Another synonym is a "drive-thru restaurant" - a restaurant designed to serve fast food and beverages to customers who order from their vehicles via a drive-up window. Lastly, a "take-out restaurant" is another term often used to describe fast food establishments, where customers order food to go and consume it off-premises.