An advertising campaign is a series of related advertisements that focus on a common theme, slogan, and set of appeals. It is a specific advertising effort for a particular product that extends over a defined period of time. Developing an effective advertising campaign involves analyzing the target market, deciding on the advertising message and media, setting the budget, and determining objectives. It also requires evaluating the effectiveness of the advertisements. Key aspects of an effective campaign include creating a personal connection, keeping messages simple, being honest, creatively repeating the message, and clearly identifying the campaign's purpose.