Illustration of a sunken courtyard in a villa

Quick answer：

A sunken courtyard in a villa refers to a garden or courtyard that is below the level of the main living spaces. This design feature creates a sense of privacy and separation from the rest of the property. The illustration typically shows the layout, architectural elements, and landscaping features of the sunken courtyard. This can include steps leading down to the courtyard, walls, plants, and any decorative elements. Sunken courtyards are popular in modern residential architecture for their aesthetic appeal and functional benefits.