Ad formats refer to the different styles and structures used to present advertisements across various media. Common types include display ads, video ads, and native ads. Each format is designed to capture attention and convey a message effectively, depending on the platform and audience. Different platforms, such as social media, websites, and mobile apps, may support specific ad formats. For instance, Facebook offers image and carousel ads, while YouTube specializes in video ads. Understanding these formats helps marketers choose the best approach to reach their target audience and achieve their advertising goals.