Most shapes will make use of at least two coordinates, X and Y. In the most common vector graphic file format (SVG), the default starting position is in the top left-hand corner of the drawing area.
Photoshop CC 2014 tutorial showing how to create "Vexel" art from a photo. Vexel art is a raster-based image that imitates the visual appearance of vector graphics. The word itself, is derived from a ...