R1: (Meta)data are richly described with a plurality of accurate and relevant attributes

The 12th of the 15 FAIR principles, R1: metadata and data are richly described with a plurality of accurate and relevant attributes.
* https://queryunderstanding.com
* http://contentunderstanding.com
* https://www.w3.org/TR/json-ld11-framing/
* https://www.w3.org/TR/shacl/
* https://jasonformat.com/islands-architecture/
* https://www.hydra-cg.com/spec/latest/core/