Fair Use:A doctrine in copyright law that allows the use of copyrighted material without permission from the copyright holder under certain circumstances, such as for purposes of criticism, comment, news reporting, teaching, scholarship, or research.
Copyright Infringement:The unauthorized use of a copyrighted work in a way that violates the copyright holder's exclusive rights, such as reproduction, distribution, display, or performance of the work.
Transformative Use:A use of a copyrighted work that adds new expression, meaning, or message, rather than merely reproducing the original work.