Courtyard and sunken courtyard design

Quick answer：

Courtyard and sunken courtyard design refer to architectural layouts that incorporate both open and enclosed spaces. A courtyard is an open area surrounded by walls or buildings, providing a tranquil and private outdoor space within a building. A sunken courtyard, also known as a courtyard garden, is a courtyard that is lower in elevation than its surroundings. This design can enhance privacy and create a sense of seclusion. It often involves landscaping elements like trees, water features, and garden beds to create a harmonious environment.