Beginning December 19, 2017, “rich results” is the new name for all of Google’s special search results features and enhancements, including rich snippets, rich cards and enriched results.
These terms aren’t new to marketers. They’re intended to make search results stand out by incorporating additional information in the form of pictures, review stars and so forth.
In the following linked Search Engine Land article, John E Lincoln covers everything that we need to know about rich results going into 2018.