Some links and papers on schema.org.
https://schema.org/WebSite
https://neilpatel.com/blog/get-started-using-schema/
https://developers.google.com/search/docs/appearance/structured-data/image-license-metadata
https://search.google.com/test/rich-results/result/r%2Fevents?id=_s8HGEDUyCAtztd6qexRyA
https://github.com/wowchemy/wowchemy-hugo-themes/blob/main/modules/wowchemy-seo/layouts/partials/jsonld/event.html