Any paid form of nonpersonal presentation and promotion of ideas, goods, or services by an identified sponsor is defined as:

Explanation

* Advertising is nonpersonal, paid promotion delivered through traditional mass media (TV, radio, print) or digital channels.
* Personal selling involves face-to-face personal interaction; Sales promotion offers short-term incentives; Public relations builds corporate goodwill.
* Identified sponsor transparency distinguishes advertising from unpaid publicity.