Public Domain is when documents aren't protected by copyright law because of three reasons:
1) It has expired
2) Work was created with public money
3) Donated to public domain
For example, classic literature and music can be copied as much as you want.
Freeware is when copyrighted work that can be shared and used for free.
For example, iTunes, Safari, and Google Chrome can all be used for free.
For example, you can get a lite app, or an app that is not at it's best for free. You can also get a free trail for theses kinds of apps.
All Rights Reserved
For example, you get Flappy Bird, and it will save all of your scores.
For example, Google Chrome is always changing because people can modify it to make it better.