Copyright and licensee
Its a Public thing that you can put on the internet and its free unless you put money on it like monthly pays,in app purchases.
Its a copyright that you can give to friends without paying money and also without copyright,so its like google drive,and any other sites that are like google drive.
This is a app like a demo you get it for limited time only,Minecraft lite,Xbox demos and other free things for limited time apps.
All right reserved
Its like your phone if ATNT give you a plan it's like a promise that you will stick with intel it goes away because you've had it for as long as they wanted you to or what the paper said.
When you make a copy of a pages or any other thing,you can change and edit it for as long as you want.