1. Advertising is a means of mass communication in which advertisers plan to deliver information about goods or services through the media to promote sales. The most basic function of advertising is awareness function. Through advertising, it can help consumers know and understand the trademarks, performance, uses, usage and maintenance methods, purchase locations and methods, prices, etc. of various commodities, thereby transmitting information and communicating production and sales. 2. Advertising is through the media (such as newspapers, magazines, radio, television, etc.)