What is the definition of ghosts and gods in the Feng Shui culture left over from China's 5,-year-old culture?

In the traditional culture of China, ghosts and gods are different biological states. Ghosts are phenomena after the death of various creatures, with different powers. Wu Cheng'en and The Journey to the West described five kinds of immortals. Heaven and earth, ghosts and gods, and a few monsters can also become immortals, and their mana is often smaller than these five kinds of mana. Ghosts and gods are a state of extraordinary magical powers that are born or achieved by various creatures through cultivation. In all kinds of legends in China, ghosts and gods can't be touched or seen in real life, but they can communicate with them through prayers, sacrifices and so on.