tag

Also known as label

metadata used for classifications or adding of informations

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Stack Exchange tag: stackoverflow.com/tags/tagging
name: tunniste
P13411: Q590

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A tag cloud with terms related to Web 2.0

In information systems, a tag is a keyword or term assigned to a piece of information (such as an Internet bookmark, multimedia, database record, or computer file). This kind of metadata helps describe an item and allows it to be found again by browsing or searching. Tags are generally chosen informally and personally by the item's creator or by its viewer, depending on the system, although they may also be chosen from a controlled vocabulary.