Elevation drawing of an underground swimming pool in a single-family detached villa

Quick answer：

An elevation drawing is a detailed technical drawing that shows the vertical or side view of a building or structure. In this case, it is a representation of an underground swimming pool located within a single-family detached villa. These drawings typically include dimensions, construction details, and may also illustrate the surrounding landscape or architectural elements. They are essential for architects, engineers, and builders to understand the design and construct the swimming pool accurately.