A lintel is a horizontal beam that supports the weight of the wall above an opening, such as a door or window.

An atrium is a large, open space within a building, often covered by a glass roof or skylight.

An arch is a curved, load-bearing structure that spans an opening and transfers the weight of the structure above it to the supports on either side.

A column is a vertical support column in a building that carries the weight of the structure above it.

An arcade is a series of arches supported by columns, often used to create a covered walkway or open gallery.

An apse is a half-dome, typically found at the end of a nave or apse, and is often used to house the altar in a church.

A cornice is a decorative molding that runs along the top of a wall, often used to add visual interest and definition.

A niche is a small, enclosed space within a larger room, often used to display a statue or other decorative object.

A staircase is a series of steps leading from one level to another, typically used to connect different floors in a building.

A plaza is a large, open space in front of a building, often used for public gatherings or events.

An architrave is a decorative molding that surrounds a door or window, often used to add visual interest and definition.

A pediment is a triangular decorative element above a door or window, often used to add visual interest and definition.

A baseboard is a decorative molding that runs along the bottom of a wall, often used to add visual interest and definition.

An oculus is a small, decorative window, often found in a church or cathedral, that is typically circular in shape.

An atrium is a large, open space within a building, often used for public gatherings, and is often covered by a glass roof or skylight.