Visually this hierarchical structure is apparent within an HTML type the place this kind of Qualities are rendered as tags, containing several input tags, and have other properties as values If you search Hotel in Schema.org search and browse characteristic, you may see this hierarchy, and if you select Hotel https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html