The Universal Ad Package, also known as UAP, is a standardized set of digital advertising specifications that allows for seamless and consistent placement of ads across various online platforms. Developed by the Interactive Advertising Bureau (IAB), the UAP includes guidelines for ad sizes, formats, and file types, ensuring that ads are displayed correctly and uniformly on different websites and devices. This universal approach streamlines the ad creation process for advertisers and publishers, making it easier to reach a wider audience and maximize the impact of their campaigns. By adhering to the Universal Ad Package, businesses can effectively communicate their brand message and engage with consumers in a cohesive and efficient manner.