2160p is one of the most important tags. It specifies the of the video: 2160 pixels. Combined with a typical 16:9 aspect ratio, this equals 3840×2160 pixels, commonly known as 4K Ultra HD . The “p” stands for progressive scan, meaning each frame is drawn sequentially (as opposed to interlaced “i”), resulting in smoother motion.
: Stands for "Web Download," meaning the file was sourced directly from a streaming service (like Netflix or Amazon) without re-encoding, preserving high quality. DD5.1 : Signifies Dolby Digital 5.1 surround sound. fall20222160pwebdldd51hdrh265evotgx