Computerworld - https://www.computerworld.com/article/3268265/apple-ios/master-multi-tasking-on-your-ipad.html#tk.rss_all
Apple offers valuable multi-tasking tools to help you get productive on your iPad. What are they, how do they work, and how do you use them?
The what and the why
Slide over, split screen, picture-in-picture, improvements to the Dock and a variety of gesture enhancements (along with support for drag-&-drop) make it possible to use an iPad much more effectively when working between apps.
Apple’s Files app also makes it possible to open files in any compatible app while you are working on them, which can be valuable if you need to work on an item in different apps. For even