Dome is one of the elements of architecture that is always used. It is shaped like a half ball, or like a cone whose surface is curled out. There is also a form of 'dome plate' (because of low peaks and large base) and 'onion dome' (because it almost resembles the onion shape).

Usually the dome will be placed in the highest place above the building (as the roof). It is placed on the framework of a plot building using a dome stop (pendent).

The dome may be regarded as a gate that is played on its supporting frame. This means that the dome has great structural strength. Just like a distressed gate bridge, the dome can be made of brick and concrete only, depending on the forces of pressure and shear. However, modern domes are usually made using aluminum alloy, or hardness or concrete reinforced as a frame and compacted with aluminum, copper, polycarbonate or mirror pieces as needed