Copyright:Copyright is a form of intellectual property protection that grants the creator of an original work exclusive rights to its use and distribution.
Derivative Work:A derivative work is a new, original work that is based on or derived from a pre-existing copyrighted work, such as a translation, adaptation, or compilation.
Work Made for Hire: A work made for hire is a work created by an employee within the scope of their employment or a work specially commissioned under a written agreement, where the employer or commissioning party is considered the author for copyright purposes.