Open-deck sunken courtyard design

Quick answer：

Open-deck sunken courtyard design refers to a landscape architectural concept where a courtyard is situated below the ground level, surrounded by elevated walls or floors. This design often features a raised platform or deck that provides an outdoor living space, which is accessed by stairs or a ramp. It is popular in modern residential and commercial developments for its unique aesthetic and functional benefits, such as privacy, insulation, and integration with the natural landscape.