What does DK stand for?

What does DK mean?

DK	Don't Know Internet » Chat
DK	Denmark Regional » Countries
DK	Doc's Kids Community » Educational
DK	Dielectric Constant Academic & Science » Electronics
DK	Derek King Community » Famous
DK	David Kemper Community » Famous
DK	Dead Krazy Miscellaneous » Funnies
DK	Default Knowledge Computing » General
DK	DummKopf International » German
DK	Double Knitting Miscellaneous » Hobbies
DK	Developers Kingdom Internet
DK	Dead Kennedys Community » Media
DK	Display Keyboard Governmental » Military
DK	Double Kill Governmental » Military
DK	Disbursing Clerk Governmental » Military
DK	Damn Kommies Governmental » Military
DK	DecK Governmental » NASA
DK	Display/Keyboard Governmental » NASA
DK	DocKing Governmental » NASA
DK	Dirt King Miscellaneous » Names and Nicknames
DK	Donna Karan International, Inc. Business » NYSE Symbols
DK	Dad and Kid Business » Positions
DK	Devil's Knights Community » Religion
DK	Dark Knight Miscellaneous » Science Fiction
DK	Destiny Knights Miscellaneous » Science Fiction