A display network is a collection of websites, apps, and platforms that show visual advertisements, such as banners and videos. These networks allow advertisers to reach a wide audience by placing their ads on various online spaces, increasing visibility and engagement. One of the most well-known display networks is the Google Display Network, which connects advertisers with millions of websites and apps. Advertisers can target specific demographics and interests, ensuring their ads are seen by the right people, ultimately driving traffic and potential customers to their products or services.