Built with React and D3 v5, this example renders a smiley face as an SVG graphic. It uses D3's `arc` generator to create the mouth shape, while the head and eyes are simple SVG circles. The face is centered with a yellow head, black stroke, and positioned features defined by fixed pixel offsets. The configuration sets a stroke width, eye radius, and mouth dimensions, resulting in a static composition that is halfway to a complete smile.