What does SDF stand for?

What does SDF mean?

SDF	Sans Domicile Fixe Community » Law
SDF	Sans Domicile Fixe International » French
SDF	Self Defense Force Governmental » Military
SDF	Standiford Field Governmental » Transportation
SDF	Stromal Derived Factor Medical » Oncology
SDF	Sony Defense Force Internet
SDF	Super-Dimensional Fortress Miscellaneous » Science Fiction
SDF	Syntax Definition Formalism Miscellaneous
SDF	Simple Document Format Computing » File Extensions
SDF	Standard Delay Format Computing » Hardware
SDF	Standard Data Format Computing » Databases
SDF	Stade De France Community » Sports
SDF	System Data Format Computing » Hardware
SDF	Software Development File Computing » Software
SDF	Software Development File Governmental » US Government
SDF	Software Development File Governmental » Military
SDF	Software Development Folder Computing » Software
SDF	Software Development Folder Governmental » Military
SDF	Software Development Facility Governmental » Military
SDF	Spectral Density Function Academic & Science » Physics
SDF	Source Definition File Computing » File Extensions
SDF	Louisville International Airport, Louisville, Kentucky USA Regional » Airport Codes
SDF	Stuff Done Flag Computing » Assembly
SDF	Standard Distance File Governmental » Military
SDF	Self-Describing Files Computing » Databases