Native Advertising is a form of online advertising that matches the form and function of the platform on which it appears. For example, an article written by an advertiser to promote their product, but using the same form as an article written by the editorial staff." - Wikipedia
For news publishers, this essentially means a "news article" that has been sponsored or paid for by an advertiser.
On Flex templates:
Create a story and add it to any category with a Sponsored Flag on it. The Sponsored by is automatically applied to the card.
If the parent business has a custom property of "promote_website=true" then clicking on the referring link will send you to the sponsor's website that is listed in the Website field under Info of the Business Directory listing. If the Custom Property is not set, then the Reference Link will send you to the Business Directory listing itself.