Arch surrounds: Half-round or elliptical trim mounted above a door or window.

Bracket: Filigree or ornamental blocks between a vertical support and horizontal member. Brackets usually provide crossbracing or support between a post and beam or a beam and cornice.

Capital: The decorative top of a column or pilaster.

Corbel: A short block or bracket projecting from a wall, often meant to provide support for a horizontal member.

Cornice: Projection at the top of a wall, under a roof's eaves.

Dentil blocks: Blocks attached to a wall that present a toothed pattern.

Dentil molding: Toothed molding attached to a wall.

Gable decoration: Triangular-shaped filigree or panel fitted into the rake end of a gable roof.

Header or head: Horizontal projection over the top of a window or a doorway.

Keystone: Angular block centered over a door or window in a header or mantle.

Louvers: Slatted panels of various shapes that are mounted in the upper portion of a gable wall to provide attic ventilation.

Mantel: Horizontal projection over the top of a doorway or fireplace.

Mouldings: A variety of trim pieces, usually sold in lengths.

Pediment: Peaked, rounded or other decorative panel directly above a doorway.

Pilasters: Decorative vertical columns attached to the wall or frame at each side of a doorway.

Quoins: Rectangular blocks that extend up the corner of a building.

Shutters: Real or artificial window covers mounted to the window.