SHAPES:

"FIGURE AND GROUND"

figure and ground Adobe Illustrator. Drawn by Aziz Guiamelon, Aug. 21, 2012

Figure is the object or a shape and ground is the background or the negative space in the composition.

"SHAPE"

Freelance 3D Artist: Burst Pistol. N.p., n.d. Web. 25 Aug. 2012. <http://sankalpchandra.blogspot.com/2009/07/burst-pistol.html>.

Shape is formed by enclosing lines or colors that illustrates a line. Here is a picture of 3D models of weapons taking its form in the designing process and by enclosing the lines, the pistols takes its shape.

"DISTORTION"

Sit Down, Press Play. N.p., n.d. Web. 25 Aug. 2012. <http://sitdownpressplay.wordpress.com/2011/03/22/google-images-best-video-game-related-art/>.

Distortion is blown out of proportion but still maintains its intended familiar shape. In this image, Hugo's upper body is out of proportion with his lower body.  

"CURVILINEAR"

"Wheelman Vehicle Combat 02 Picture." By Atomhawk Design Atomhawk. N.p. n.d. Web. 25 Aug. 2012. <http://digital-art-gallery.com/picture/6815>.

Curvilinear is a shape without straight lines. It's commonly used on vehicles for aerodynamic purposes.