Sticker (noun)

1. A small piece of paper or other material bearing a design, picture, or message, which is intended to be affixed to a surface.
2. A label or tag bearing a price, name, or other information.

Origin:

Middle english: from the verb stick + the suffix -er.

Examples:

1. The children enjoyed decorating their notebooks with stickers.
2. The store put a sticker on the item to indicate that it was on sale.
3. The artist created stickers of his illustrations and sold them.
4. The organization distributed bumper stickers to raise awareness.
5. The company put stickers on their products to indicate that they were made in the USA.