This example displays a single circle with a radius of 50 pixels positioned at coordinates (50, 50) within an SVG viewport. The visualization uses raw inline SVG markup inside an HTML page, with no JavaScript or React logic driving the rendering. The circle is static, demonstrating basic SVG shape creation through the `<circle>` element. The page structure is minimal, relying entirely on the SVG drawing primitives rather than any charting library or data transformation.