The phrase "core business" refers to the main focus and primary activities of a company or organization. It pertains to the essential areas in which a business operates and generates its primary revenue or value. Full definition
A: We're first and foremost a book publisher and I see digital purely as a component of our primary core business of book publishing. (comicsbeat.com)
The lawyer should be capable of giving advice on core business strategy issues to help the business owner avoid the many traps that exist to businesses and their owners. (bellas-wachowski.com)
In this case, the writer will get an interview on the basis of more than meeting required criteria and additional capacity in core business areas. (cvtips.com)