Copyright
Rights given to the author of a piece of work.
Types of Licenses
Public Domain
When the work is not protected by a copyright because it expired, it was donated, or it was made with public money.
Example: Romeo and Juliet
Shareware
Copyrighted work that you can copy, share, and use for free, but only for a limited time.
Example: lite apps for phones
All Rights Reserved
Purchaser can use software according to license details.
Example: Microsoft Office