The goal of a ABC metaclass is that will help you detect gaps within your implementation; it in no way was intended to implement the types from the characteristics. Fields are the only real system the way to store info on class stage. Fields are conceptually variables at class scope. https://conscientgurugram.in/conscient-parq-sector-80-gurgaon-a-sophisticated-lifestyle-in-the-grandeur-of-the-city/