By Karen E. Klein
Q: What is the difference between a marketing plan and an advertising campaign? What are the dependencies between the two? -- D.D., Santa Clara, Calif.
An advertising campaign is one of the important components of a company's marketing plan, but certainly not the only one. "The advertising campaign is the media that you use during a certain time frame to promote a product, service, or an event," says Marc Slutsky, author of Smart Marketing. An advertising campaign focuses on the creative positioning and media through which a product or service is sold.