
So there are three different types of ads:

Sponsored Products ads are cost-per-click (CPC) ads and help promote specific products in shopping results and relevant product pages. When a customer clicks an ad, they are directed to the corresponding product page.
Its objectives are to:
The reason these are so effective is because they're incredibly natural that’s why they generally generate about 80% of the revenue from ads.. If you’re not a trained PPC person or if you’re not an Amazon seller, you don't know that this is organic and this is not organic, it almost looks the same.
Sponsored Products ads can be found in the: