A normal frame is a rectangular or square-shaped structure made of materials such as wood, metal, or plastic. It typically has four sides with perpendicular corners and is designed to support and enclose a panel or sheet of material such as glass, artwork, or a photograph. Normal frames can be used for a variety of purposes such as displaying artwork, photographs, or certificates, or for creating doors and windows in buildings. They come in a range of sizes, styles, and finishes to suit different needs and preferences