An image built in Illustrator
What is Illustrator?
Illustrator is one of Adobe's signature products. It is a comprehensive design and drawing program for creating web and print images, integrating video and animation. In it the possibilities for creating logos, business cards, web sites, billboards, bus wraps, charts, posters and of course, illustrations, are practically limitless.
The exciting function in Illustrator is the ability to produce vector images, which are not dependent on groups of pixels aligned on a grid and therefore can be scaled, (change size), without losing quality.
There are many websites which are helpful in learning Illustrator: