This example demonstrates basic SVG shape primitives—circles, rectangles, lines, and paths—drawn directly within an SVG element, using React 16.10 to render the page structure. The code shows how the `g` group element groups shapes for collective styling and transformation, while CSS classes like `.lines` apply stroke properties to line and path elements. It illustrates static vector rendering with inline SVG attributes, including coordinate positioning, fills, strokes, and the `d` path syntax.