Definition of "Source" :
noun: a facility where something is available
noun: anything that provides inspiration for later work
noun: a document (or organization) from which information is obtained
"The reporter had two sources for the story."
noun: a publication (or a passage from a publication) that is referred to
"He spent hours looking for the source of that quotation."
noun: the place where something begins, where it springs into being
"Pittsburgh is the source of the Ohio River."
noun: anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies
noun: someone who originates or causes or initiates something
noun: a person who supplies information
noun: (technology) a process by which energy or a substance enters a system
"A heat source."
verb: specify the origin of
"The writer carefully sourced her report."
verb: get (a product) from another country or business
"She sourced a supply of carpet."