Advertising is the public promotion of products, services, or ideas. It is created by businesses, organizations, and advertisers to reach audiences or customers. Advertisements can include images, text, videos, or sounds. They are designed to share information about what is being offered.

Advertising is found in many places, including newspapers, television, radio, websites, and public spaces like billboards. It appears in countries around the world and in many industries. Different types of advertising are used for different audiences and purposes.

Advertising has existed for centuries, from printed posters to modern digital campaigns. It has changed over time with new technologies and media. Today, advertising continues in both traditional and digital forms.