This example displays a simple, stylized face: a yellow circle for the head, two black circles for eyes, and a quarter-circle arc for the mouth. The SVG is built using D3 v6 selection and append operations, with positioning handled via SVG attributes. The mouth is generated using d3.arc, which creates a path based on inner and outer radius and angle parameters. The code uses D3’s selectors and the arc function on an empty 960x500 SVG canvas.