In Feng Shui, what kind of water does Dragon Water refer to?

Although there are many ways and means of geomantic omen, its essence can be summed up in five elements: dragon, cave, sand, water and direction, which are collectively called the five places. Its principle is four principles: dragon truth, cave, sand ring and water embrace.

Dragon:

It's Long Mai, the rolling mountains. Because mountains are similar to dragons in many ways, they are compared to dragons in feng shui. Earth is the meat of the dragon, stone is the bone of the dragon, and vegetation is the hair of the dragon. Looking for dragons is the observation and choice of mountains. Where there are mountains, there is gas, so the pursuit of dragons is actually the pursuit of "gas" and the search for areas that can be "angry when encountering gas". Choose a long and rushing mountain range.