What does VDF stand for?

What does VDF mean?

VDF	Vascular Disease Foundation Community » Non-Profit Organizations
VDF	Visual DataFlex Computing » Software
VDF	VHF (Very High Frequency) Direction Finder Academic & Science » Electronics
VDF	VHF Direction Finder Governmental » Military
VDF	Variable Diameter Fiber Academic & Science » Electronics
VDF	Vtex Delta Files Computing » General
VDF	Venom Defense Force Miscellaneous » Science Fiction
VDF	Versioned Dat File Computing » File Extensions
VDF	Vulgar Display of Firepower Governmental » Military
VDF	VI Developer Forum Computing » General
VDF	Vandenberg Airport, Tampa, Florida USA Regional » Airport Codes
VDF	Visual Data Format Computing » File Extensions