NSTextStorage is an iOS class that contains text that is displayed using NSLayoutManager objects, and notifies the NSLayoutManager objects of any changes to its characters or attributes
NSTextView is the front-end class to MacOS's Application Kit text system
|Process much simpler||
"The nstextview process is much simpler as you only need to attach the nstextstorage object"
from question "Is it possible to get all the functionality of NSTextTable inside an NSView (instead of an NSTextView)?"