Question

what is source ? full explanation

Answer 1

the source of an accounting error May be a computer glitch.

Answer 2

source is the main place, person, or a thing from which something originates .
it's
it can be a spring or fountain head from which a stream originates
example this is the source of the river Nile
a book or a document used to provide evidence in research
eg: a historian uses both primary and secondary source .
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In technical point of view
a body or process by which energy or a particular component enters a system
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hope it helped ¡¡
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