Four pillars and eight characters: How do eight characters distinguish treasury from grave?

The treasury refers to the tomb of a wealthy star. For example, the wealth star of Gengjin is wood, but the tomb of wood is not, so the independent branch of Gengjin is not in the treasury (also called the tomb of wealth).

But the tomb is the same, why should it be said separately? Generally speaking, when rich people meet, to sum up, as a library, it plays the role of collection. The weak meet like a tomb, look closely. For example, the wood of the five elements is not regarded as wood and soil, but as consumption, and the water of the five elements is regarded as soil and water, which is gram. (based on main gas)