This example shows a single black curve rendered inside an SVG element on a light gray background, creating an abstract line drawing with no accompanying labels or interactivity. The visualization uses plain SVG markup with a `<path>` element to define the curve and a `<rect>` for the background fill. Styling is handled via embedded CSS, though the only applied rule targets a non-existent `.message` class. The page is a bare-bones HTML document that requires no JavaScript libraries, demonstrating the fundamental rendering capabilities of SVG within a static web page.