What is a trading system

Here you can briefly explain:
----Trading System Four Frameworks
1. Judge the direction of the market;
2. Positioning at the cycle level;
3. Once the 'entry point' is understood, there will be 'take profit point' and 'stop loss point'.
4. Fund Management
----There must be a complete trap logic to trap the market; it won't work without any one of them;

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Design a trading system that suits your trading personality according to these four points.