Source

**Source** could mean:

## Research 
*Source text, in research (especially in the humanities), a source of information referred to by citation
**Primary source, firsthand written evidence of history made at the time of the event by someone who was present
**Secondary source, written accounts of history based upon the evidence from primary sources
**Tertiary source, compilations based upon primary and secondary source.   

## Organizations 
*Source (UNSW), a community service provider that used to operate at the University of New South Wales in Sydney, Australia
*The Source by Circuit City, a Canadian electronics store

## Technology 
*Source, in hydrology, is the origin of water for a river or stream 
*Source code for software, see also free software or open-source software
*The Source (service), an online service provider founded in 1978 
*A terminal in a field effect transistor
*Light source, an object emitting light
*Sound source, an object emitting sound
*Energy sources, are substances or processes with high concentrations of energy
*Voltage source, any device or system that produces an electromotive force between its terminals
*Current source, an electrical or electronic device that delivers or absorbs electric current
*Source engine, a proprietary game engine developed by Valve Software for *Half-Life 2*
***Counter-Strike: Source*, a game utilizing the Source engine
***Day of Defeat: Source*, a game utilizing the Source engine
*A SCSI endpoint
*Communication source

## Music 
**The Source*, a series of volumes by Graham Kendrick that are compilations of Christian church music
**The Source (album)*, an album by Grandmaster Flash & the Furious Five
**The Source*, an album by Ali Farka Touré
*The Source (musician), the production identity of UK electronic music record producer John Truelove
*"The Source", a song by Built to Spill from their 1994 album ''There's Nothing Wrong with Love*
**Source*, an album released by the band The Duskfall in 2003.

## Film and television 
**The Source (documentary)*, a 1999 documentary movie about the Beat generation
**The Source (film)*, a 2002 science fiction movie, also known as *The Secret Craft* in the UK and *The Surge* for its American DVD release
*The Source, the overarching entity in the machine city of the Matrix universe
*The Source (Charmed), a fictional evil being in the television series *Charmed*
*The Source, a character in the short-lived 1978 US television sitcom *Quark*
**Highlander: The Source*, the fifth film in the Highlander franchise

## Print 
**The Source (novel)*, a 1967 novel by James A. Michener
**The Source (magazine)*, a magazine of hip-hop music and culture
*Source (comics), a sentient entity who provides advice to the New Gods in the DC Multiverse
**The Source'', a book by Art Bell about paranormal matters

## Media 
*Journalism sourcing, a person, publication or other record or document that gives information
*The Source (network), a radio network operated in the 1970s and 1980s by NBC
*WVUR-FM, "The Source", Valparaiso University's student-run radio station

## Other 
*Source theory, any process that generates successive messages can be considered a source of information
*Sources of law, the materials and processes out of which law is developed
*Sources of international law, the materials and processes out of which the rules and principles regulating the international community are developed
*Source (river or stream), the original point from which the river flows
*Believers of the Source, a disbanded Faction of the Planescape universe