This example shows a cheerful smiley face constructed from basic SVG shapes: a yellow circle head with a black stroke, two circular eyes, and a mouth drawn as an arc. The React component renders an SVG canvas, while D3’s `arc()` generator computes the mouth path using inner and outer radii and start/end angles. Hard-coded constants define dimensions and offsets for each facial feature, centering the composition within a fixed 960×500 viewport. The visualization demonstrates a simple, declarative approach to combining React with D3 for static SVG drawing.