Balustrade – a railing composed of a series of upright members, often in a vase shape, with a top rail and often a bottom rail
Bay window – an exterior ground level wall projection filled with windows; on an upper floor, called an oriel window
Bracket – a decorative element supporting a wall projection, cornice, or other exterior feature
Capital – The top portion of a column or pilaster
Corbel – wall projection used to support additional weight, most commonly constructed of brick
Cornice – decorative projecting element at the top of an exterior wall
Cupola – a small dome rising above a roof, usually with a band of small windows or openings
Dormer Window – a window and window structure that project from the slope of a roof
Double-Hung Window – window with two sashes, one above the other, each of which slides vertically
Eaves – lower edge of a roof extending beyond the exterior wall
Entablature – larger horizontal form setting on and spanning column capitals; it includes the architrave, frieze, and cornice
Façade – front exterior or face of a building
Fanlight – fan-shaped window, usually located over an entrance door
Finial – decorative ornament placed at the peak of a roof
Fret (Key Pattern) – repeating ornamentation in straight lines, often intersecting to create right angels. The ornamentation are the exact width to the spaces between each band. A geometrical ornament of horizontal and vertical straight lines repeated to form a band.
Frieze – decorative horizontal band located just below a cornice or gable
Gabel – triangular section of exterior wall just under the eaves of a double-sloped roof
Hip Roof – roof with slopes in the direction of each elevation, commonly in four directions
Hoodmold – Developed to serve a largely decorative purpose, a hoodmold is molding projecting from the face of a wall immediately above an arch, opening, or window.
Picture Window – large fixed window on an exterior wall,
Portico – covered porch attached to the main façade of a building, supported by columns typically in the classical order.
Ridgeline – The horizontal line formed by the juncture of two sloping planes, especially the line formed by the surfaces at the top of a roof.
Shed Roof – Single-pitched roof, often over a room attached to the main structure
Sidelight – narrow window located immediately adjacent to an entrance door.
Tracery – traditional intersecting ornamental work found in windows
Transom – Small window located immediately above a door.
Turret – Small tower located at the corner of a building, often containing a staircase.
Vernacular – common domestic architecture of a region, which may draw from a range of architectural styles.