Job work in small groups with a chief administrator. Which is called (chef de partie), but actually in practice. Cook each had their part to work independently or different people do not need much supervision.
Chef works with a smaller group, the head of the administrative unit, called (Chef de Partie) but actually in practice, each chef will work on their part to independently or by person rarely need supervision.
Abdullah is a sub-group working together, as well as by a chief administrator, called (Chef de Partie). But really, in practice each cook will work on their part to independent or different people don't have the supervision.