Columns are vertical structural elements that support the weight of the structure above them and transfer it to the foundation.

Lintels are horizontal structural elements that span openings in walls, such as windows and doors, to support the weight of the wall above.

Domes are hemispherical or semi-spherical structures that provide a large, covered space without the need for intermediate supports.

Pediments are triangular or curved decorative elements that crown the facades of classical buildings.

Buttresses are external supports that project from a wall to counteract the lateral forces acting on it, such as wind or the weight of the roof.

Cornices are horizontal decorative elements that project from the top of a wall or building, often featuring moldings and ornamentation.

Quoins are architectural elements used to reinforce and decorate the corners of buildings, typically made of stone or brick.

Friezes are horizontal decorative bands that run along the upper part of a building, often featuring sculptures or reliefs.

Corbels are structural elements that project from a wall or column to support a beam or other structural element.

Keystones are wedge-shaped stones at the apex of an arch that lock the arch in place and prevent it from collapsing.

Arches are curved structural elements that span openings in walls, allowing for the distribution of weight and the creation of larger openings.

Gables are triangular-shaped elements at the ends of a pitched roof, providing structural support and allowing for the shedding of water.

Brackets are structural elements that project from a wall or column to support a balcony, cornice, or other overhanging structure.

Vaults are arched structures that cover a space, providing structural support and allowing for the distribution of weight.

Moldings are decorative elements that are applied to surfaces to create patterns, borders, or ornamentation.