You might like the new visual summary table I just uploaded, which added the set of 7 Disciples at:
Yes.
I agree, but for me this is evidence of later doctrine/views/interpretations, as, even though the Buddha encouraged use of local language for ‘concrete’ nouns (such as bowls), I don’t believe he would have accepted variance in use of mental or psychological terms. One example is the use of ‘kamma’: SuttaCentral.
To me that would make attaining Right View or Right Understanding, by conforming one’s understanding to the Buddha’s, practically impossible.
