The term 'ITEM STRUNG ON A NECKLACE' can be summarized as a BEAD, which is a small, usually round object made from glass, stone, or other materials. Beads are often used to make jewelry, such as necklaces, bracelets, and earrings. They can also be used to decorate clothing, bags, and other items. Beads come in a variety of shapes, sizes, and colors, and can be strung together to create unique designs.