Version "SS 01" might be the first iteration where subtitles are not burned into the video, making the MP4 inherently more flexible and "better."
“SS” is ambiguous but critical. In gaming or animation, often stands for Screenshot or Scene Select . In professional editing, it might denote Subtitle Stream or Single Sequence . Given the context, "SS" here likely refers to a specific scene or shot identifier —perhaps Scene 1, Shot 1. mp4 ss nita ss 01 mp4 better
A psychological and practical tag. It tells future editors: Do not re-render this; use this file as your source master. Version "SS 01" might be the first iteration