: The file container format (Matroska Video), which is popular for its ability to hold multiple audio tracks and subtitle streams.
: The resolution. While 480p is technically Standard Definition (SD), uploaders sometimes add "HD" to signify it was downscaled from a high-definition source, maintaining better clarity than a standard rip. ep-123-exl-fe-s02-480p-hd-desiremovies-codes-mkv
The filename appears to be a standardized naming convention for a video file, likely a television episode, hosted on a file-sharing or torrent site. ep-123 : The episode number. : The file container format (Matroska Video), which