This example demonstrates the fundamental building blocks of SVG (Scalable Vector Graphics) within a minimal HTML document. It renders a single circle positioned at coordinates (75, 75) with a radius of 75 pixels, along with an empty line element, on a 900 by 500 canvas. The page uses plain CSS and JavaScript, with no external libraries or frameworks, relying solely on the browser’s native SVG support. The code highlights basic shape creation and attribute setting directly in HTML markup, serving as a simplest possible introduction to vector graphics on the web.