Literature is a recorded language with recognized value according to the match.
Canon is any complete list of books within a field or a collection of books. The term is related to sacred books.
Artistic is a judgment of the quality and value of a work
Perennial means lasting or continuing for longer time
Progressive means moving forward
Traditional means long-established of something, pertaining to time-honored doctrines
Authentic is the quality or condition of being genuine. Authentic is actually synonymous with the word genuine.
Universal is a merit used and understood by all, applicable to all cases.