Free content, libre content, or free information, is any kind of functional work, artwork, or other creative content that meets the definition of a free cultural work. A free cultural work is one which has no significant legal restriction on people’s freedom

• to use the content and benefit from using it,
• to study the content and apply what is learned,
• to make and distribute copies of the content,
• to change and improve the content and distribute these derivative works.

https://en.wikipedia.org/wiki/Free\_content

The 5Rs are put forward on the OpenContent website as a framework for assessing the extent to which content is open

• Retain - the right to make, own, and control copies of the content (e.g., download, duplicate, store, and manage)
• Reuse - the right to use the content in a wide range of ways (e.g., in a class, in a study group, on a website, in a video)
• Revise - the right to adapt, adjust, modify, or alter the content itself (e.g., translate the content into another language)
• Remix - the right to combine the original or revised content with other open content to create something new (e.g., incorporate the content into a mashup)
• Redistribute - the right to share copies of the original content, your revisions, or your remixes with others (e.g., give a copy of the content to a friend)[3] Source : http://en.wikipedia.org/wiki/Open_content

The free culture movement is a social movement that promotes the freedom to distribute and modify creative works in the form of free content by using the Internet and other forms of media. https://en.wikipedia.org/wiki/Free\_culture\_movement