The working group responsible for SVG has declared it stable, and if it passes several more tests, it moves into the Recommendation phase. Perhaps the most important concept to grasp when first studying SVG is its scalability. Graphics aren't limited by fixed pixels. Like vector graphics, you can make scalable graphics larger or smaller without distorting them. This is very important for designing across resolutions.
Scalable graphics adjust to the available screen resolution.
SVG elements are based on standard graphic design elements. A geometric shape is a line, or combination of lines, a curve, or combination of curves, or a combination of curves and lines. Text elements are represented as characters and combinations of characters. Raster graphics are those that are mapped to bits. This means that they don't contain scalable methods.