In the beginning, there was Wilber, Wilber the gimp. The graphic was without form and void, and darkness was upon the face of the desktop, and the Spirit of Wilber was moving over the face of the bitstream.
And Wilber said, "<Toolbox>/File/New" and there was an image. And Wilber saw that the image was good, and Wilber separated the image into drawables. And Wilber looked down at what he had wrought, and Wilber said, "Oh golly." For Wilber had made the drawables of the layer according to their kinds, and the drawables of the channel according to their kinds, and the drawables of the mask according to their kinds...