In Feng Shui, what kind of terrain is called "Ten Riches"?

Feng Shui experts use this rhyme to describe 10 excellent terrain of dragons, caves, sand and water, which is not only conducive to burial, but also rich in land. The song says: a magnificent hall is tall; Two rich guests greet each other; Sanfu Dragon and Tiger; Four rich wooden finches wall clock; Five rich and five beautiful mountains; Six rich and four waters return to the DPRK; Seven rich mountains turn their feet; Bafuling ridge is round and rich; Jiufulong holds high the tiger; Master, the water outlet is closed.