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

CC BY: This work is released under a CC BY license, which means that you are free to do with it as you please as long as you properly attribute it.