Can you help me define these key terms: Beginning, Middle, End; Magnitude; Unity of Action; Character and Thought?

B,M,E is often understood chronologically in what I found. But in ‘Nicomachean Ethics’, the similar words described the hierarchical argument of the Highest Good. There’s sub-actions and actions; means to an end, end in itself. The final end (end of action) being the highest good, happiness/human flourishing. So I was wondering if BME much more than a story progresses linearly?

I was wondering if the concept of character is the same in both texts? The big idea I took away from ‘Ethics’ is character has three dimensions: (1) virtue/excellence; (2) practical wisdom to pursue virtue; and (3) moral strength to resist temptations of desires.

In ‘Poetics’, Character is said to arise from Plot. What does that mean? The deliberate actions and choices to pursue goals (?virtue) reveals the quality of character?

Unity of Action. Is this related to the concept in ‘Ethics’ that the highest/final good is final, end of actions, and self-sufficient. Is that the same word choice of whole used in ‘Poetics’?

And what about Plot is the Soul of drama? In Ethics, happiness is defined: to lead a life of rational activity in accordance with virtue; rationality being the function of human beings b/c it is what separates us. How is this related to Thought/Character in ‘Poetics’?

One more thing. Storytellers like Aaron Sorkin and David Mamet often emphasize conflict (intention and obstacle) is the most important thing in drama. Then they point to ‘Poetics’ and say it’s all there. But I didn’t cross any of those words. What do you think they mean?

And Happy New Year everyone!