: .MP4 — A universal container format compatible with almost all smartphones, tablets, smart TVs, and computers.
: The tag "LEG" (Legenda) indicates that the video is in its original audio (English) with Portuguese subtitles burned in or included, typical of Brazilian file-sharing sites. Technical Specifications Lucifer.S01E01.MP4.LEG.BaixarSeriesMP4.Org.mp4
: BaixarSeriesMP4.Org — This is the watermark/domain of the site where the file originated, usually specializing in mobile-optimized (lower bitrate) downloads. Lucifer.S01E01.MP4.LEG.BaixarSeriesMP4.Org.mp4