Scalable Vector Graphics

Scalable Vector Graphics (SVG) is an XML-based 2-dimensional vector graphics file format and specification. The SVG format can support both static and animated graphics, scripting, hyperlinks, and more. The SVG format is an open standard created and maintained by the W3C's SVG Working Group.

Example
Since SVG files are an application of XML they are edited as plain-text files. Below is an image in SVG format:

         