How do I organize my App Library itself. Lots of apps are just other

Apple Support has this article online:

Find your apps in App Library on iPhone - Apple Support

says:

"You can add apps in App Library to the Home Screen,

but you can’t move them to another category in App Library"

"App Library shows your apps organized into categories, such as Creativity, Social, and Entertainment. The apps you use most are near the top of the screen and at the top level of their categories, so you can easily locate and open them".