Rawpixel, CC BY-SA 4.0, via Wikimedia Commons
Diaper Pattern
Decoration on the surface that consists of a repeating geometric or floral pattern.
Photo by derek braithwaite, via Unsplash
Dome
A round roof that contains a circular base. If the structure is seen from different angles, it is shaped like an arch.
Photo by Beto Galetto, via Unsplash
Door
Doors have a variety of purposes, from securing the passage into a building (for safety and climate control) to the separation of interior spaces within the building (rooms, closets, etc.) for privacy, convenience, security, etc.
Photo by Michaela Murphy, via Unsplash
Dormer
A dormer is a window that protrudes outward from a roof.
Photo by
Katie Gerrard, via Unsplash
Dripstone
A projecting moulding that serves the purpose of throwing off rain above a door, window, and/or archway.