Sketch of an outdoor swimming pool

Quick answer：

An outdoor swimming pool, often referred to as a 'lap pool' or 'swimming pool,' is an artificial pool designed for swimming. Hand-drawn sketches of such pools typically depict their design, dimensions, and surrounding landscaping. They can range from simple, minimalist designs to elaborate, resort-style pools, complete with features like waterfalls, swim-up bars, and sunbathing areas.