: This is likely a release number or a unique ID assigned by a specific encoder or release group.
: This is the name of the release group or the "tag" of the person/entity that encoded and uploaded the file. Video Metadata Summary Format Source Blu-ray (High Quality) Resolution 1280 x 720 (HD) Features Release Group MERAEKPEDEYSIS 6097-BR720p-SUBS-MERAEKPEDEYSIS.mp4
The filename follows a typical naming convention used in video piracy and file-sharing communities. Based on the structure of the filename, : This is likely a release number or