What rights do you have placed on your work?
Public Domain: An older product that has an expired copyright can be copied. Things become public domain in different situations, when copyrights expire, products will be released into the public domain. Also, when the person who made the product passes away, they may include in their will that the things they made are to be put in the public domain.
Example: Hamlet, Romeo & Juliet
Freeware: Copyright that you can use, copy and distribute for free
Example: Itunes, Safari
Shareware: Copyrighted that you can use for free for a limited amount of time, and can be payed for if you want to use it more
Example: Free versions of games
All Rights Reserved: Allows the user to only use the product by the terms of the license agreement
Example: Products bought at a store like Best Buy and Walmart
Open Source: A software that includes the source code with the idea that someone can improve upon it
Example: Extensions for Chrome and Safari
The symbol used to show that something is copyrighted
The symbol used to show that something is in the public domain
Itunes is a freeware program
Shareware products usually have a "free Trial" of sorts.
All Rights Reserved
A copyrighted product with All Rights Reserved must be used under the terms the creator includes in the license agreement
Open Source products may be changed and/or improved upon