Copyright: When the owner has control of what is done with the original property and can grant permission for use.
Fair Use: Using the public part of copyrighted material.
Hacking:Getting into someones computer without permission, regardless of intentions.
Piracy: The act of music, movies and any software are burned illegally.
Plagiarism: The act of copying another's words
Public Domain: When the content is not protected by copyright laws and can be used without permission.