Suppose an online store sells cell phones. Employing RDF Triples, we can explain the products like this: ➡ “apple iphone fifteen” → “is usually a sort of” → “Smartphone” ➡ “apple iphone fifteen” → “incorporates a cost of” → “$999” ➡ “apple iphone fifteen” → “is created by” → “Apple” https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html