Architecture and Construction - Arch and Vault

a stone located at the top center of an arch, keeping all the other stones together

the vertical distance or height between the springing point and the highest point of the arch

an architectural feature that consists of a series of arched ribs or arches that intersect to form a structural framework supporting a vaulted ceiling

the triangular or curved space between an arch and the surrounding vertical supports, typically filled with decorative elements or panels