Answer: The art of secret writing is called a cypher.
Atticus views human nature as a prize possession that everyone receives but not everyone deserves it. He thinks everyone had good in them.
I believe this would be the sandstone cave of Game Pass in the Drakensberg Mts of South Africa where there are many fine rock art images of elands with and anthropomorphic images with hooves instead of feet. This is apparently a metaphor for the San shamanistic religion.
