Front of house (abbreviated FOH) is primarily a theatrical term, referring to the portion of the building that is open to the public. [...] "Front of house" has also come into use in the food service industry, referring to the area where the general public dines. In this context, the kitchen is referred to as "back of house". [...] This term can also refer to the individuals whose primary work is dealing with patrons, including house managers, ticket vendors, bartenders, merchandise vendors, and ushers. http://en.wikipedia.org/wiki/Front_of_House