A face formed from basic SVG shapes—a yellow circle, two eyes, and eyebrows—is drawn in the center of a 960-by-500 canvas. The eyebrows and mouth animate over time using chained `transition` calls with varying durations, creating a subtle expression change. The code uses d3.arc to generate the mouth path and manipulates attributes like `y` and `d` to produce the motion. Static shapes are drawn with circles and rectangles, while dynamic elements rely on D3's transition system.