This example uses D3 v5 to construct a cartoon smiley face entirely from SVG shapes. The code demonstrates fundamental DOM manipulation by appending circles, lines, and rectangles for the face, eyes, nose, hair, ears, and teeth. It also uses D3’s `arc()` generator to draw the mouth as a path, and applies basic attributes like `fill` and `stroke` to style each element. The scene is static, with no interaction or animation.