Lets first understand what is the Structured Data. Introduction of Structured Data.
Google says, “Structured data is a standardized format for providing information about a page and classifying the page content;”
Structured data is a markup code that contains defined schema terms and its values. These data helps search engines to understand the content of page and also the meaning of the page.
Search Engines also use the structured data to enable special search result features and enhancements. Google uses this structured data to display enhanced.