Https://www.education.com/reference/article/basis-high-scope-curriculum/ Click the link and it will tell you the basis. I would have just told you, but I don't understand it.
Answer:
We don’t live in two dimensions. But what about characters? Saying they are multi-dimensional or “round" is a compliment frequently paid to characters, but there is often some confusion to what the term “round” really means. This can make it difficult to tell if a fictional figure is round or not, and why it even makes a difference.
So, what is a round character? Are they, by definition, better-written? In this post, we define the qualities of a round character, illustrated by multiple examples from literature which demonstrate what makes round characters so compelling.
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