Decorative work is a broad term that encompasses a variety of artistic techniques used to enhance the appearance of an object. INLAY is a technique in which pieces of material such as wood, metal, or stone are inserted into a surface to create a pattern or design. ORNAMENTATION is the process of adding decorative elements to an object to make it more attractive. MOSAIC is a form of art in which small pieces of material such as glass, stone, or tile are arranged to form a picture or pattern. All of these techniques are used to create decorative works of art.