This denotes the High Definition (HD) resolution . A 720p resolution means the video has 1280x720 pixels, providing a balance between visual clarity and a manageable file size.
If you are looking for technical reviews regarding the video quality (bitrate, encoding) of that specific file, those vary depending on the group that encoded the "DS" version, but 720p is generally considered the standard baseline for modern viewing. -ADN-368- I-m having a great time .720p-DS-.mp4