http://html5tutorial.com Html5 tutorial http://html5tutorial.com/what-is-html5 HTML5 is the new standard for web pages. It was created to overcome problems found in HTML (version 4 and earlier) and XHTML. http://html5tutorial.com/the-canvas-tag Canvas tag was added in HTML5 as an element that allows the browser / client to draw shapes and images without any plugi http://html5tutorial.com/path-painting You can draw complex shapes using "paths" http://html5tutorial.com/how-to-draw-a-point-with-the-canvas-api Even if HTML5 offers support to draw lines, rectangles and other basic shapes, it lacks the option to paint a single point. Point support is vital as is the base of any geometrical system. http://html5tutorial.com/advanced-path-painting Advanced tutorial about context's path painting http://html5tutorial.com/how-to-draw-n-grade-bezier-curve-with-canvas-api You can even draw curves, Bézier curves. Awesome! Now, let draw curve through 6 points. Ups, not possible. http://html5tutorial.com/how-to-join-two-bezier-curves-with-the-canvas-api Most of the time just drawing a simple Bézier curve is not enough. You need to join together a few curves to create a complex shape.