What are the positive and negative effects of architectural geomantic omen?

Rushing forward is a rush that can be seen directly, such as the shape that is easy to see in front of the house. Such as door-to-door collision, house sharp corners, telephone poles and other types;

The undercurrent is something that can't be seen directly or easily, but the fact exists, such as behind the house, inside the house, in the cupboard, under the bed, etc. Another example is the sewer, toilet, smell, buried underground and other evil spirits.