When you see a file labeled with these specific tags, it tells you a lot about the source and the quality:

Even at 1080p, a higher bitrate means more data per second, resulting in smoother motion and fewer "blocks" (artifacts) in dark or fast-moving scenes.

This refers to Full HD resolution (1920 x 1080 pixels). In the world of digital media, 1080p is the "sweet spot"—it offers crisp detail and vibrant colors without requiring the massive bandwidth or storage space of 4K.