Ever since the introduction of search engines, programmers and standard developers have been trying to devise better, cleaner, more effective ways of indexing the web.
These efforts have taken many forms - Google Rich Results, WPSSO Schema, JSON-LD, Structured Data, Rich Snippets, and SEO Markup are just a few of the popular names.
But the key goals are the same-
Google is perhaps the leader in this space, and you can see examples in current search results.
Currently support exists for structured items such as-
Designing your website for rich results allows your listings to appear with far more detail, and much more richly than your competitors listings.
You get to stand out, and improve the chances that your customers will click on your listing.