Gastronomy includes all companies involved in the production of food as well as the catering of guests. The overview therefore includes catering establishments such as restaurants, but also food producers and brands. According to the definition, gastronomy is the branch of the catering industry that deals with the catering of guests. In contrast to restaurants, gastronomy not only satisfies the needs of hunger and thirst, but also the cultural need for experience and communication. Gastronomy is a special form of communal catering.