Auditorium, the part of a public building where an audience sits, as distinct from the stage, A sloping floor allows the seats to be arranged to give a clear view of the stage. The term auditorium is also applied commonly to a large lecture room in a college or training centres.Auditorium Chairs with inbuilt Writing pad option is apt for taking it out while required to take notes etc. else it is folded back inside the armrest of the chair.