This document discusses copyright and related concepts. It defines copyright as protection provided by U.S. law for original creative works. It notes that copyright protects intellectual property like inventions, artistic works, and symbols. The document outlines exceptions for public domain works and fair use for educational purposes. It also discusses the TEACH Act, which expanded fair use rights for digital distance education. The document concludes with references for further information on copyright, the TEACH Act, plagiarism, and software piracy.