What does SF stand for?

What does SF mean?

SF	The Sophomore Freshman Community » Media
SF	Shield Fusion Academic & Science » Physics
SF	Snazzy File Computing » Software
SF	San Fernando Electronics Governmental » Suppliers
SF	Sandals And Feet Medical » Physiology
SF	Spew Factor Medical » Physiology
SF	Silver Fallow Miscellaneous » Colors
SF	Sureno Familia Internet
SF	Stratified Fudget Computing » Software
SF	Spanings Foto Business » Firms
SF	Self-Flocculating Academic & Science » Botany
SF	Selbst Fahrend Miscellaneous » Unclassified
sf	Square Feet Community » Housing
SF	Standard Form Governmental » FDA
SF	Scott Foresman Publishers Business » Firms
SF	Sexy Female Internet » Chat
SF	Sting Free Miscellaneous » Food
SF	Supervised Functional Business » Positions
SF	Speed Figure Academic & Science » Physics
SF	Street Fighter Miscellaneous » Hobbies
SF	Subcontractor Furnished Governmental » NASA
SF	Static Firing Governmental » NASA
SF	Star Field Governmental » NASA
SF	Sliding Filter Governmental » NASA
SF	Signaling Frequency Governmental » NASA