: This indicates the video source. A "DVDMux" means the video was taken from a DVD, but the audio or subtitles might have been "muxed" (combined) from another source to create this specific file.
: The Italian title of the episode. In English, this episode is titled "A Death in the Family" . Castle_1x10_Identita_nascoste_DVDMux_ITA_by_moll
: Confirms the audio or primary language of the file is Italian . : This indicates the video source
The text you provided, , is the filename for a specific digital copy of a television episode. Castle_1x10_Identita_nascoste_DVDMux_ITA_by_moll