Open Access (OA) literature is digital, online, free of charge, and free of most copyright and licensing restrictions. What makes it possible is the internet and the consent of the author or copyright-holder.
Some characteristics of open access journals:
Authors that publish in an open access journal may retain the full copyrights. As the author, you may be able to decide what rights you want to keep and give away when you complete the copyright transfer form.
Keeping the copyright to your work allows you to:
Creative Commons copyright licenses give authors an easy way to grant others permission to use their work. For more information on Creative Common Licenses visit their website at https://creativecommons.org/licenses/