Could be all four, but traits address lifestyle, values, and customs a lot more. Values and Customs have more to do for what people believe.
Answer:
enlightenment is a concept. A person can think they have been enlightened when they have full comprehension of a situation. So yes its a concept
Well if you're talking about category, It's in the "tragedy" category.
If you're talking about the main theme, the theme of the story is about love.