House_of_cards_5x03_webmux_ita_eng_ac3_ba79-icv...

: Indicates the video was sourced from a web stream (like Netflix) and "muxed" (repackaged) into this file container. Ita_Eng : Contains both Italian and English audio tracks. Ac3 : The audio codec used (Dolby Digital).

If you are trying to understand the tags in the file name provided: : Season 5, Episode 3. House_of_Cards_5x03_WEBMux_Ita_Eng_Ac3_Ba79-iCV...

: These are likely tags from the specific "release group" or individual who uploaded the file. Where to Watch : Indicates the video was sourced from a