What does SOURCE mean?

noun

1. the place where something begins, where it springs into being“the Italian beginning of the Renaissance”
2. a document (or organization) from which information is obtained“the reporter had two sources for the story”
3. anything that provides inspiration for later work
4. a facility where something is available
5. a person who supplies information
6. someone who originates or causes or initiates something“he was the generator of several complaints”
7. (technology) a process by which energy or a substance enters a system“a heat source”
8. anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies“an infectious agent depends on a reservoir for its survival”