: The episode, scene, or sequence number within that specific series.
: Likely refers to the content creator, uploader, or a specific series (such as "Mila" combined with a studio or collection shorthand). MilaSS 008 Hevc 360p mp4
: This is the video compression standard (also known as H.265). It is designed to provide high-quality video at roughly half the bitrate of older standards like H.264. : The episode, scene, or sequence number within