A Frequently Asked Question (FAQ) page contains a list of questions and answers pertaining to a particular topic.
Properly marked up FAQ pages may be eligible to have a rich result on Search and an Action on the Google Assistant, which can help your site reach the right users.
Here’s an example of an FAQ rich result:
Structured data is a standardized format for providing information about a page and classifying the page content. If you’re new to structured data, you can learn more about how structured data works.