Nit: The public domain simply means a body of works that are outside of the copyright protection and thus exists for every country with the expiration of copyri

Nit: The public domain simply means a body of works that are outside of the copyright protection and thus exists for every country with the expiration of copyright, though it might not be named so. What those other countries actually lack is either the dedication to the public domain before the expiration or the inability to waive moral rights.