Lunch where business is discussed, which can be written off as a business expense.

(economics) A long-term fluctuation in economic activity between growth and recession.

(computing) Algorithms in a software system that models real life business objects and their interactions.

(ethics) The branch of ethics that examines questions of moral right and wrong arising in the context of business practice or theory.

(idiomatic) The part of a tool or weapon that is physically used for its operation, rather than the part which is held.

(business, education) A course of study in higher education intended to prepare the students for a career in business.

plural of business card

The particular way in which a business ensures that it generates income, one that includes the choice of offerings, strategies, infrastructure, organizational structures, trading practices, and operational processes and policies.

plural of busy bee

(colloquial) A hardworking person.