picture of a villa's perimeter wall

Quick answer：

Villa perimeter walls are typically designed to enhance the privacy and aesthetics of the property. They can be made of various materials like brick, stone, wood, or metal. The design can range from traditional to modern, with various heights and styles, such as solid walls, fences, or wrought iron gates. These walls serve to delineate the property boundaries, protect against intruders, and sometimes provide a visual buffer from neighboring properties.