This document defines key copyright terms and concepts. It provides definitions for 17 copyright-related terms, including audiovisual works, best edition, collective work, compilation, copies, copyright owner, created, derivative work, device/machine/process, digital phonorecord delivery, display, establishment, fixed, food service/drinking establishment, perform, phonorecords, and pseudonymous work. It also outlines 6 exclusive rights copyright owners hold, exceptions for fair use and compulsory mechanical licenses, and duration of copyright protection.