Advertising is a part and the most expensive of the marketing process. It is a monopoly activity whose purpose is to attract as many people as possible towards a product or service. It is a technique through which a message can reach a large number of people in seconds. Therefore, a company uses it to promote its products or services in order to attract customers' attention towards itself. Advertising can be done through various channels such as radio, television, website, newspapers, magazines, journals, hoardings, banners, social media, sponsorship, posters, banners, neon signs, etc.
Advertising can be done to promote a product or service, or to provide some relevant information or opinions or public notices. This creates awareness among people about various products, meaning people can easily identify what to eat, wear, use, etc. They can also easily classify between true and false (misleading) people.