What is Illustrator?
Adobe Illustrator CS5 software helps you create distinctive vector artwork for any project. Take advantage of the precision and power of sophisticated drawing tools, expressive natural brushes, and a host of time-savers.
Take a look at those features:
Sophisticated vector drawing tools

Beautiful Strokes
Fully control variable-width strokes, arrowheads, dashes, and art brush scaling along a path.
Use perspective grids to draw shapes and scenes in accurate 1-, 2-, or 3-point linear perspective, creating the look of realistic depth and distance.
Perspective drawing

Bristle Brush
Paint with vectors that resemble real-world brush strokes. Achieve the expressiveness of natural media with the scalability of vector graphics.