Compound floor sinking courtyard diagram

Quick answer：

The 'Compound floor sinking courtyard diagram' refers to a architectural plan or illustration depicting a courtyard with a sinking or sunken floor. This could be found in traditional Chinese architecture, where such designs are used to create a sense of depth and to enhance the aesthetics of the space. The diagram would likely show the layout, dimensions, and structural details of the courtyard, including the sinking floor area and its integration with the surrounding buildings.