The theory of any system has a premise that it is based on a certain axiom, which is not constant. When the basis of this axiom changes, the corresponding theory should also be adjusted and revised. The simplest triangle interior angle and 180 degrees are Euclidean geometry triangle interior angles, and less than or greater than 180 degrees are non-Euclidean geometry.

At one time, the masters of the financial market used their theories to make great achievements in Chen Guo, but that was their time, the market environment changed, and the corresponding theories should be developed and abandoned with confidence. Even now, if we have a complete trading system (whether basic analysis or technical analysis), we must make adjustments according to the changes in the market, because the financial market in China is far from mature, and the market is changing at any time.

Many of the questions you said are not clear enough, and some concepts may not be clear to you yourself.