Earlier quoted context omitted.
The definition of WWW is that it consists of web resources being accessible over Internet via HTTP. Also the term URL is a core part of WWW conception.
Yes you are very right. The App Store is what Apple calls their way to put programs onto your iPhone. These programs however are not websites because you don't access them with your browser (like Safari or Chrome for example).
Divided them, if you will. Made it so that there is a closed system of software that only users on certain "approved" hardware can access and use, and also locked those users into that system by preventing real competition.
I certainly am unable to see how that is entirely related to this conversation. It's a real puzzle to me...