In-depth explanation:
Depth refers to the length of the building. The depth of many urban residential rooms in China is generally limited to about 5 meters.
1 refers to the length of each room in the depth of the building. That is, the horizontal distance between the center lines of two adjacent columns on the same straight line. The total depth of each room is called depth. Architecture refers to the actual length between the front wall and the back wall of an independent house or residential building.
A house with large depth can effectively save land, but in order to ensure that the built building has good natural lighting and ventilation conditions, the depth has certain requirements in design and should not be too large. The depth of a large number of urban residential rooms in China is generally limited to about 5 meters and cannot be expanded at will.
2. Refers to the length of the furniture side.