The building is a place for ceremonies, celebrations, meetings and other collective activities.

The auditorium is usually a building space used to hold various formal ceremonies, celebrations, meetings and other collective activities.

Usually a large open space with a stage or podium and enough seating area to accommodate a large number of participants. Auditoriums can be used as venues for weddings, graduations, concerts, speeches, award ceremonies, religious services, or other special events. In addition, some auditoriums may also have conference rooms or multi-purpose halls to accommodate different types of events.