How to do foreign exchange trading, how to operate foreign exchange gold, what is the index?

On the software, click Order to jump out of the order window, click "Buy at market price" on the right when bullish, and click "Sell at market price" on the left when bearish. This is the basic order step.

The index is an economic indicator. Take the dollar index in the figure below as an example. The rise and fall of the dollar index means the past dollar market and also indicates the basic economic situation of the United States in the past.