Some links and papers on schema.org.

Breadcrumb

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