professional who handles business contacts or sales; salesperson or business manager

the strategy or plan used by a company to generate revenue and make a profit

negligence in the course of professional duties; malpractice

collaboration between commercial entities, specifically referring to product placement or sponsored content in media

Integrated Services Digital Network (ISDN); a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network

(of a salesperson) to visit potential customers or clients to sell products or services; to be out on sales calls

banking services; banking business