A rich result is any enhanced search listing that displays additional visual elements beyond a standard blue link, title, and description — such as star ratings, images, FAQ dropdowns, or pricing information — generated through structured data (schema markup) on the page.
Rich results generally improve click-through rates significantly, since they make a listing visually stand out and provide additional useful information to searchers before they even click through to the page.
Not every schema type guarantees a rich result appearing; Google ultimately decides whether and when to display one based on a combination of correct implementation, content quality, and overall page relevance to the query.
Rich result eligibility is a core focus of our Technical SEO service.