Quote Originally Posted by kgcole View Post
Your summation is correct. As far as the difference between “She is so beautiful” and “She is that beautiful”, the first is a statement of a current condition: “She is (at this moment) so beautiful. The latter is a comparison to a previously stated condition: “The Greeks and the Trojans fought because of Helen of Troy. She was that beautiful.” Why did they fight over her? Because she was that beautiful. See the difference?
Yes, I do. So, you mean there are no any style difference between them like "that" is kind of more colloquial or low colloquial than "so"?