What are left-side trading and right-side trading?

When it comes to "left-side trading and right-side trading", I believe many people don't quite understand what it means, so today I will give you a simple introduction to the application of "left-side and right-side trading"!
1. When the price of the currency rises, the top of the currency price is used as the boundary. Any high selling on the left side before the "top" is formed is a left-side transaction, and any selling after the "top" falls back is a right-side transaction;
2. When the price of the currency falls, with the bottom of the currency price as the boundary, anyone who buys low on the left side of the "bottom" is a left-side transaction, and chasing the rise after the bottom is reached is a right-side transaction;