This example renders a simple smiley face using bare SVG elements defined directly in an HTML file. The visualization shows a large yellow circle with a black outline, accompanied by two smaller black circles positioned to represent eyes. The implementation uses the SVG `<circle>` element within an inline `<svg>` tag, setting explicit attributes for radius, center coordinates, fill color, stroke, and stroke width. No JavaScript libraries or data sources are involved; the graphic is purely static markup with minimal CSS to remove page margins and hide overflow.