"Scrolling screenshots" refers to capturing an entire webpage or document by taking multiple screenshots while scrolling down or across the content. Full definition
You can also take scrolling screenshots, convert currency and other units on the fly, and much more. (androidcentral.com)
You can now take scrolling screenshots, calculate currency conversions, create dual app log - ins and expect more as we roll out more version updates in the future. (amazon.in)
For any reason, if you want to capture scrolling screenshots on your iPhone X, you can do this after downloading a third - party iPhone app. (indabaa.com)