Sunken Courtyard in Solarium Design Sketch

Quick answer：

A sunken courtyard in a solarium refers to a design feature where a courtyard is located below the ground level within a solarium. This creates a unique space that can enhance privacy and provide a tranquil environment. The design sketch would visually depict this feature, showing how the sunken courtyard integrates with the overall structure of the solarium. This type of design is often found in modern architecture and can be used to maximize the use of space and natural light.