Shape

Th                         This diamond is a shape. It is enclosed by a blue outline      and defined by the lighter blue color. The inner black starlike object is also a shape because it is defined by a black outline.

"Ooglewindowblinds.com." Website Animated Photoshop Button|create Glass Buttons in Photoshop|creating Glass Buttons in Photoshop|glass Button in Photoshop. N.p., n.d. Web. 24 Aug. 2012. <http://ooglewindowblinds.com/photoshop-tutorials/khurram-feb-tutorial-website-animated-photoshop-button>.