There is a long tradition of mental study alongside physical practice in Budo. You are required to think about what you do and why you do it. This is true with respect to both gendai and koryu.
One question per term is not at all inappropriate even for mudansha.
What is Shu Ha Ri?
What is Shugyo?
What is the relationship of Aikido to other modern Budo.?
Correct answers to all three can be found on the web, if not a library. To save yourself a headache limit the length of response.