derivative works

Under United States copyright law, translations are considered "derivative works" of the original material on which they are based.

All derivative works must be released under either or both of these licenses.

The CC Requirements entity includes ShareAlike, requiring that derivative works must be licensed under the same terms as the original work.

or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear.

Accordingly, you agree that you will not copy, reproduce, alter, modify, or create derivative works from the Service.

Those reproducing or distributing the work, or producing derivative works, must include attribution to the original author .

This means that you're free to copy and distribute the spec, make derivative works, and to use it freely in commercial work.

However, nothing else grants you permission to modify or distribute the Program or its derivative works.

This License is a kind of "copyleft" , which means that derivative works of the document must themselves be free in the same sense.

Derivative works is a particularly messy area of copyright law and one that is still being settled.

Derivative works are far more complicated.

So with Creative Commons there are certain licenses that don't allow derivative works, some don't allow commercial use, and so forth.

You must give any other recipients of the Work or Derivative Works a copy of this License;

That the licensed software may be modified freely and combined with other software to create derivative works

within the Source form or documentation, if provided along with the Derivative Works;

License example 2: Attribution Noncommercial No Derivative Works