This document discusses copyright and fair use. It defines copyright as protection provided by U.S. law for original works of authorship. The Constitution gives Congress the power to promote science and arts by granting limited exclusive rights to authors. Fair use allows limited use of copyrighted works for purposes such as teaching without permission, as long as it does not negatively impact the market for the original work. The document provides guidelines for fair use of books, articles, images, music, videos, and broadcasts. It lists resources for learning more about copyright.