Source

The word source has more than one meaning:

• in nature: the Water-source, see well\n* the point of origin of a river; usually at a spring\n* in acoustics: the sound source, mostly as noise, but also as useful music of an orchestra.\n* Source code for software, see also Open source\n* Supply-source for parts, see Primary source, Secondary source\n* one of the terminals of a field-effect transistor (the others are the gate and drain terminals)\n* A news source \n* An informant \n* A literature reference \n* A communication source\n* The name of the proprietary game engine developed by Valve Software for Half-Life 2\n* A SCSI endpoint