Glossary

Copyleft
legal protections for authors of creative works (e.g., books, movies, lesson plans) that prevent them from being used by others without permission
CopyrightCopyright and Open Licensing
legal protections for authors of creative works (e.g., books, movies, lesson plans) that prevent them from being used by others without permission
Fair UseCopyright and Open Licensing
the limited ability to use copyrighted works without permission as determined by four factors (Nature of Use, Type of Work, Amount Used, and Commercial Impact)
Open
in the context of openly licensed materials or open educational resources (OER), this means gratis and libre; gratis means that content and resources are provided at no cost, while libre means that people are free to do what they want with these resources
Open Educational Resources (OER)
materials for teaching, learning, and research that people have free access with no cost and can legally retain, reuse, revise, remix, redistribute them
Open Licenses
an license that allows users to freely use a resource without seeking permission (e.g., public domain, Creative Commons)
Openness
the level of license on educational resources which indicates different conditions, restrictions, or permissions users need to follow when they use or share the educational resources
Public DomainCopyright and Open Licensing
in the US, a technical term referring to works that are not subject to copyright protection, such as very old works
Royalty FreeCopyright and Open Licensing
a variation of copyright that allows materials to be used in some limited manner (e.g., print an image up to ten times) without paying a fee