Computers run the world and we run the computers (most of the time). Thanks to Steve Jobs, thanks to Xerox PARC, thanks to the desktop, the folder, the slider, and the radio button - machine command is a task that has been made easy. There's a noun that describes these digital ornaments - the tools that look like the real-life things around us. A skeuomorph is not just a word that's fun to say (I think you say ski-oo-morph) it's shorthand for an action possibility. Throw that file in the trash, fill that canvas with a bucket of paint, push that button and make bad things good.