metadata is just a fancy term for data now, originally was applied to the information about how information was gathered or used.
example: i study apples, john studies oranges and suzy studies grapes. the data would be about fruits, the metadata would be about john, suzy and I and about how and or why studies on fruit are done.
i know it sounds stupid but it has it’s uses, primarily IMO the accuracy of statistical data and analysis.
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