Refers to practical commercial or industrial activity, as opposed to speculative or non-productive enterprises. Often used in compounds like 実業家 (businessperson/industrialist).
He succeeded in the world of business.
実業家として名を残した。
He made a name for himself as an industrialist.
He has been engaged in business for many years.
My grandfather had been running a business since he was young.
business organization; business corporation; businessmen's body
vocational school; technical school