This document provides information about advertisements, including their purpose, typical structures, and examples. Advertisements are designed to persuade people to buy or use a product or service. They usually include the selling points of the product, how to obtain the product, and interesting visual design. Effective advertisements use correct words and suggestive phrases directed toward goals, while maintaining honesty, clarity and avoiding references to other groups or competing products. Advertisements can be presented in audio, video or picture formats.