Suppose an online store sells cellphones. Making use of RDF Triples, we can easily explain the products like this: ➡ “apple iphone fifteen” → “is actually a variety of” → “Smartphone” ➡ “apple iphone fifteen” → “features a cost of” → “$999” ➡ “apple iphone 15” → “is produced by” https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html