The collective term for hinges, handles, locks, and latches that allow the door to function. Common Types and Applications Parts of a Door: Anatomy of a Door - Marvin Windows

A complete door assembly, often called a when sold together, consists of several technical components:

A door is a movable structure, typically a hinged or sliding panel, designed to close an entranceway to a building, room, or vehicle. Its primary function is to provide security by controlling access, but it also serves secondary purposes like ensuring privacy, dampening noise, and controlling ventilation or light. Core Anatomy of a Door

The bottom piece of an exterior door frame, typically sloped to shed water.