Metadata provides information about a certain item’s content; metadata can make finding and work with particular instances of data easier.

For example, an image may include metadata that describes the colour depth, image resolution, creation date, and more. A text document’s metadata may contain information about a number of words, authors name, when the document was written, and a short summary of the document.

information about a resource

[cited from BS EN ISO 19115-1:2014+A1:2018, 4.10 & PAS 14191:2020]

data about data

[cited from ISO 19650-5:2020(en), 3.3]

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