What does UPD stand for?

What does UPD mean?

UPD	Urbana Park District Community
UPD	Update information Computing » File Extensions
UPD	User Program Division Business » Firms
UPD	User Product Distribution Business » General
UPD	Unidad Popular por la Paz, Democracia, Desarrollo y Derechos Humanos International » Guatemalan
UPD	UniParental Disomy Medical » Hospitals
UPD	Unknown Purpose Defense Community » Law
UPD	Underwater Propulsion Device Governmental » Military
UPD	Underwater Propulsion Device Academic & Science » Ocean Science
UPD	Unanimous Public Disorder Governmental » Politics
UPD	Unión Popular Democrática International » Spanish
UPD	Unit for the Promotion of Democracy (Organization of American States) Governmental » United Nations
UPD	Union for the Public Domain Community » Unions
UPD	University Police Department Academic & Science » Universities
UPD	University of the Philippines Diliman Academic & Science » Universities
UPD	Urban Planning and Design Academic & Science » Universities
UPD	Unit for the Promotion of Democracy (Organization of American States) Governmental » US Government