processor vs business concern

processor and business concern both are nouns.

Word	Noun	Adjective	Verb	Adverb
processor	Yes	No	No	No
business concern	Yes	No	No	No

As nouns, business concern is a hypernym of processor; that is, business concern is a word with a broader meaning than processor:

processor: a business engaged in processing agricultural products and preparing them for market
business concern: a commercial or industrial enterprise and the people who constitute it

Other hypernyms of processor include business, business organisation, business organization, concern.

processor (noun)	business concern (noun)
(computer science) the part of a computer (a microprocessor chip) that does most of the data processing	a commercial or industrial enterprise and the people who constitute it
a business engaged in processing agricultural products and preparing them for market
someone who processes things (foods or photographs or applicants etc.)