A cartoon smiley face is rendered as a composite of separate eye and smile SVG components, drawn with React and displayed within a larger SVG canvas. The application uses React to define the `Eyes` and `Smile` components, which are then imported and placed using SVG `<g>` transforms for positioning, rotation, and scaling. The face is built from SVG shapes like circles, ellipses, and paths, with colors applied via CSS classes, resulting in a static, stylized illustration.