What does leaderboard term mean in display advertising?

The leaderboard is one of the components of the IAB's Universal Ad Package, and is one of the most commonly seen ad units online. Though a leaderboard can refer to ads of a number of

Digital Ads Placement: Examples, Formats, and Advanced Tips

The Power of Display Advertising

Google Display Ad Sizes: Create your Google Display Ad Banner for Free

What is a Leaderboard Ad? Top 5 Examples

What is a Leaderboard Ad? Top 5 Examples

Leaderboard Ad Specs

Leaderboard Ad (728x90) The Online Advertising Guide

Design Leaderboard Ad Online— Get Clicks and Generate Leads

What is a Leaderboard Ad, Size and Best Practices

What does leaderboard term mean in display advertising?

Top 10 Most Popular Google Display Ad Sizes Plus Examples