Doors are essential architectural elements that provide access and security to buildings. They come in various styles, materials, and sizes, serving both functional and aesthetic purposes. Common materials include wood, metal, and glass, each offering unique benefits and appearances. In addition to their practical uses, doors can also enhance the overall design of a space. They can be decorative features that reflect the style of a home or building, such as French doors or sliding doors. Properly chosen doors can improve energy efficiency and contribute to the overall ambiance of an environment.