Amazon’s A+ Content are images, added to your book page, to help readers delve deeper into your book via images, stand-out reviews, book quotes, etc.
Amazon/KDP Reports used to be very confusing. With the arrive of KDP DASHBOARD, Amazon tried to make the reports more transparent, but they still need some explanation.
BTW, KDP stands for Kindle Direct Publishing. It is the publishing arm of Amazon and where you will find all your sales information.
Let’s try to make them more understandable.