Creating Commons Licenses give creators a way to “pre-license” their work. In other words:
“Creative Commons licenses give everyone from individual creators to large institutions a standardized way to grant the public permission to use their creative work under copyright law. From the reuser’s perspective, the presence of a Creative Commons license on a copyrighted work answers the question, 'What can I do with this work?'”
"Creative Commons Licenses Infographic" by ricardo56 is licensed under CC BY-SA 2.0.
The most permissive licenses are:
Information on these and other Creative Commons Licenses can be found at About CC Licenses - Creative Commons. If you want to combine items with different license types together, schedule a consultation with a librarian to make sure the licenses are compatible.