There is several definition of advertisement but we can simply define it in following
Words Advertising is the paid, impersonal, one-way marketing of persuasive information from an identified sponsor disseminated through channels of mass communication to promote the adoption of goods, services or ideas.
Objectives of advertisement.
Advertisers want to generate increased consumption of their commercial products and services. Advertising messages are media content paid for by sponsors. Sponsors finance the production of advertisements and buy space for them in print media or online, or time for them to be broadcast in radio or television programs. An advertisement is a paid announcement. For example, a persuasive message selling a product. Advertisements are placed in traditional media such as newspapers, magazines, television, radio and outdoor signs, and in new media such as websites, text messages and social media. Placing is the buying of specific space in print and online or time on the air. Placement is where the ad is positioned in a medium. Branding involves the frequent repetition of a product's name or image in an attempt to have the desirable qualities of that product stick in the minds of consumers. An Infomercial is a long television commercial of five minutes to an hour in length designed to create an immediate impulse purchase.
Some history
Ancient times. Egyptians wrote sales messages on papyrus wall posters. Political campaign ads were on the walls of Pompeii. Rudimentary commercial advertising existed in Greece, Rome, Arabia, Asia, Africa and South America
21st century. Advertising continues in all mass media including newspapers, magazines, radio, television, billboards, classified advertising in print and online, in-store advertising and websites.
How important is advertising?
The amount of advertising placements and the profitability of media in the United States rise and fall