This Glossary provides brief definitions for certain terms as they apply to registration, recordation, and other services provided by the U.S. Copyright Office. Definitions that are taken directly from the Copyright Act or the Office’s regulations are enclosed in quotation marks. Definitions that are not enclosed in quotation marks are not legal definitions; they are intended to educate and inform legal practitioners and members of the public who file applications, record documents, and conduct other business with the Office.