This example renders a smiling cat face using React 17 and D3 v7’s `arc` generator to create the mouth, eyes, and ears as SVG paths. The cat is drawn with circles, ellipses, and lines for the head, pupils, whiskers, and facial features, all positioned within a single SVG element. D3’s `arc` function computes the curved shapes for the eyes, ears, and mouth, which are then transformed via SVG `rotate` and `translate` attributes. The visualization is static, with no data input, relying solely on hardcoded coordinates and styles.