Advertising is a paid form of non-personal communication used to promote organizations, products, services, or ideas. It aims to influence audiences through mass media like television, radio, magazines and newspapers. Advertising is important for creating brand awareness and image. It helps companies introduce new products to large audiences in a cost-effective manner. Regulations govern advertising to prevent false, misleading, or unethical claims. Advertising must consider legal, social, cultural and ethical aspects to avoid harming audiences like children.