There are two levels of copyright protection, and two sets of considerations for working with copyright.
Levels of Copyright Protection
* Copyright
*Public Domain
Considerations for Working With Copyright
*The Fair Use Doctrine
* Creative Commons
We're going to go over all four in more detail, but for now know that the first two are affected by copyright law - either a work has protections or it doesn't; and the other two are sets of special situations that are definitely not so clean-cut and are completely superseded by the first two.
But when the four work together, we're able to create some truly remarkable interpretations and conversations around each other's works.
Let's take a look at each one in turn.