Design plan of a three-story villa with an underground garage

Quick answer：

A three-story villa with an underground garage typically includes detailed architectural plans that cover the layout, structure, and aesthetics of the villa. These plans usually include floor plans, elevations, sections, and details of the construction, such as the garage, living areas, bedrooms, and bathrooms. The design would also incorporate the necessary infrastructure for the garage, such as electrical and plumbing systems. It's important for the design to ensure structural integrity, energy efficiency, and compliance with local building codes and regulations.