A rectangle can be rendered using any of the following SVG snippets:
<path d="0,0 150,0 150,50 0,50 z"/> <polygon points="0,0 150,0 150,50 0,50"/> <polyLine points="0,0 150,0 150,50 0,50 z"/> <rect x="0" y="0" width="150" height="50"/>