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