text: definition for visualization?   "visualization is any technique for creating images, diagrams, or animations to communicate a message. visualization through visual imagery has been an effective way to communicate both abstract and concrete ideas since the dawn of man.  examples from history include cave painting, hieroglyphs, greek geometry, and leonardo da vinci's revolutionary methods of technical drawing for engineering and scientific purposes.  visualization today has ever-expanding applications in science, engineering product visualization, all forms of education , interactive multimedia, medicine etc. typical of most applications of visualization these days is the extensive use of computer graphics. the invention of computer graphics may be the most important development for the visualization field since the invention of central perspective in the renaissance. the development of animation also helped advance the field of visualization."