SVG中图形元素(graphics element)是可以用来在目标画布上画出图形的元素，包括定义的标准形状，特别是矩形、圆形、椭圆形、直线、折线和多边形等。文章介绍了SVG元素的代码及其含意。SVG元素分为图形元素、容器元素、图形引用元素、文本、SVG文档片断内容。-SVG graphic elements (graphics element) can be used to draw the graphical elements of the canvas on the target, including the standard definition of the shape, in particular rectangular, circular, oval, lines, polylines and polygons. This paper introduces the code and its implications SVG elements. SVG elements into graphic elements, container elements, graphics referenced elements, text, SVG document fragment content.