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Which term best describes the horizontal framing component that forms the bottom of framing used to support windows?
King stud
Footer
Sill
Header
The correct answer is: Sill
The term that best describes the horizontal framing component that forms the bottom of framing used to support windows is "sill." In construction, the sill serves as the lowest horizontal element of the window frame, providing a structural base for the window and serving multiple functions, including aiding in the drainage of water away from the window space to prevent moisture accumulation. The sill is integral to the window's design, ensuring that it can withstand the weight and forces acting upon it while also contributing to the overall energy efficiency and weather resistance of the installation. It is typically made of durable materials to withstand exposure to the elements. Other terms listed have specific roles in framing but do not refer to the component in question. For example, a king stud is a vertical component that runs alongside the window frame, and a header is a horizontal component that spans the top of the window frame, supporting the weight of the structure above. A footer refers to the base that supports the foundation of a building and is not related to window framing. Thus, "sill" is the correct and most appropriate term in this context.