Ornamentation refers to decorative elements or designs that are added to something in order to enhance its beauty, elegance, or style. It can include patterns, engravings, carvings, embroidery, beading, and other adornments that add visual interest or aesthetic value to an object or piece of work. Ornamentation is often used in art, architecture, fashion, jewelry-making, and various crafts to create unique and eye-catching designs.