That seems to be a video file naming convention — likely for the TV series Tehran (Season 1, 720p WebRip, AAC 5.1 audio, with subtitles, and possibly an “x” for a release group or codec like x264).
This means the footage was captured directly from a streaming service (in this case, Apple TV+). tehran s01 complete 720p webrip aac 51 msubs x
How does it differ from other sources?
While breaking down this filename is an academic exercise in digital media literacy, it is important to state the obvious: Tehran is an Apple TV+ original. The only legal way to obtain a high-quality, surround-sound version of Season 1 with multi-language subtitles is through an official subscription to Apple TV+ or by purchasing digital copies via authorized stores like iTunes. That seems to be a video file naming
Faraz gets closer to the truth. A betrayal within the Mossad team in Tehran forces Tamar to operate completely alone. While breaking down this filename is an academic