(1) Regarding alternating current, see skin effect.|
(2) A custom look and feel for a graphical interface (GUI). Operating systems and applications may have a built-in selection of skins or accept new ones from third parties. Also called "themes," skins include the background scenes, menu and button styles, colors, fonts, window borders and sometimes different arrangements and locations of the elements. See theme aware.
Stardock's WindowBlinds offers a host of custom looks for Windows. (Image courtesy of Stardock Corporation, Inc., www.stardock.com)