Strictly related to image files, metadata provides information that can be divided into 3 categories: – Administrative metadata – includes copyright info, details about the owner, type of license, and permitted usage terms – Technical metadata – the exact characteristics of the photograph, including, but not limited to: camera manufacturer and model image resolution, format, and size photographer “secrets” – ISO, shutter speed, white balance, lens aperture. It can be used to index multiple files in a database collection or table, it makes it easier to categorize and return search results based on a custom query.
Think about it as information that describes a file and provides a deeper understanding of the data you are looking at.
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