A structural way of dividing Amazon listing content by what a shopper sees without scrolling versus what requires scrolling:
This roughly maps onto the Amazon Listing Optimization: SEO vs. Conversion Optimization split (SEO/discoverability above the fold, conversion below it), but is a structural/visibility distinction rather than a functional one. It motivates tactics like A+ Content New-Image Rule — below-the-fold visitors have already seen everything above the fold, so below-the-fold content shouldn't simply repeat it.