A food truck, mobile kitchen, mobile canteen, or catering truck is a mobile venue that sells food

Food

Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals...

. Some, including ice cream trucks, sell mostly frozen or prepackaged food; others are more like restaurants-on-wheels. Some may cater to specific meals, such as the breakfast truck, lunch truck or lunch wagon, and snack truck, break truck or taco truck.

Food trucks cater events (carnival

Carnival

Carnaval is a festive season which occurs immediately before Lent; the main events are usually during February. Carnaval typically involves a public celebration or parade combining some elements of a circus, mask and public street party...

s, construction site

Construction Site

Construction Site is a television series created by The Jim Henson Company in 1999, and consists of 7 construction vehicles. The show was broadcast on ABC Kids for a while, and had a range of videos. It was originally produced for and shown on CITV starting in 1999. In 2000 it was nominated for a...

s, sporting events etc.) where potential customers gather, and places of regular work or study – college campuses, office complex

Office complex

Commonly referred to as a plaza, an office complex is often confused with an office building. Complexes are just one storey, with extensive fields available in retail positioning, but primarily used for medical practitioners along with a stronghold potential for community development.This due to...

es, industrial park

Industrial park

An industrial park is an area zoned and planned for the purpose of industrial development...

s, auto repair shops, movie sets, military base

Military base

A military base is a facility directly owned and operated by or for the military or one of its branches that shelters military equipment and personnel, and facilitates training and operations. In general, a military base provides accommodations for one or more units, but it may also be used as a...

s, etc. – where potential customers require regular meals or snacks.
In the United Kingdom, in history, there was very little use for the food truck or wagon in civilian life, and its limited use was for the military.