Copyright and the law

Copyright- the exclusive legal right given to the originator or a group(person) who makes the website to print, publish or perform(etc) that has permission from the governments.

Copyfree- be able to download free software from the copyrighted work. (free to modified legally)

Trademark- a symbol or words legally registered by use as presenting a company or product.

Creative Commons- creative works available for others to build upon legally and to share (collect copy free works so that people can use and download without breaking the law).

Royalty free- the right to use things that are copyrighted works but you don't need to pay anything. 

GNU licensed- software that use for the GNU project to use, share. 

Public domain- work that doesn't have copyrighted and allows public to use it.

Copyrighted ~> reliable
Copy free ~> depends ?