Anyone, from the average noble to the shepherd watching the flocks is working on some poetry. Perepetic philosphers wander the country. Oratory might be a valued social skill. Under a Terrible prevalence, tiny, secret groups keep learning alive. How diversified is the practice of the humanity.
High diversity provides many different, highly divergent schools of thought.
Superb diversity reveals several different approahces to history, education, moral philosophy. Miserable diversity permits a dogma with a single interpretation. How evolved is the practice of the humanity. A poor sophistication would mean that the humanity is pretty crude and simple, while a great sophistication would mean an advanced or highly developed humanity. A Terrible sophistication would mean that sciences are very crude and simplistic with hardly any advanced ideas or philosophies.