An arena is an enclosed area, often circular or oval-shaped, designed to showcase theatre, musical performances, or sporting events. It is composed of a large open space surrounded on most or all sides by tiered…

A server farm or server cluster is a collection of computer servers – usually maintained by an organization to supply server functionality far beyond the capability of a single machine. Server farms often consist of thousands of computers…

A natatorium (plural: natatoria) is a building containing a swimming pool.In Latin, a cella natatoria was a swimming pool in its own building, although it is sometimes also used to refer to any indoor pool even…