The theme that reappears the most is humility, and punishment for arrogance, particularly against the gods. Also, dishonourable conduct will lead to a bad end.
The Odyssey is essentially an epic by Homer about the voyages of Odysseus, thereby having a morale of trust,loyalty,endurance,dedication and persistence most likely.
A moral is a belief or guidance which appeals to the good in you. So yes a moral can be a lesson E.g "the moral of the story" is a guidance to what can be right.
Moral Lesson stands for what you have learned and what you have encountered right.Moral lessons are things that you learn through literature. Considering you are reading Snow White, you will find...