What does royalty-free mean?

Understanding What Royalty-Free Means

Clip art, images, graphics, photographs, art, music and other created content which may be offered to the public or individuals to be used in specified ways. The creator retains all copyrights and publishing rights. You may use and publish the clip art, images, music per the specified terms of usage but may not sell or distributed to a 3rd party. Royalty free packages, collections, images or photos are not public domain. The creator retains copyright and all terms of usage must be followed when using these royalty free packages, collections, images, photos, music, and so on.