A tag or label attached to an item, often with a string, used for identification, pricing, or instructions. Common in retail, luggage, and organizational contexts.
I attached a tag to my suitcase and wrote my name on it.
The price is written on the product's tag.
Compound of 下げ (sage, 'hanging') + 札 (fuda, 'tag, card'). The exact historical derivation is uncertain, but the word transparently describes a tag that is hung from something.