You can use collections to organize and sort your magazines, just like you do on your desktop with folders.
Every collection contains one or multiple sections in which the magazines are stored. This way you can sort your magazines by date, brand, category, etc.
Collections are also used to get magazines into a WEBKiosk or an APPKiosk. Every WEB- or APPKiosk can be connected with one collection. The Kiosk then contains all the sections and magazines of that collection.