: This refers to Season 1, Episode 2, titled " The Rogue Prince " .
: This is the video compression standard (codec) used. It’s very common and works on almost all modern devices, including phones, smart TVs, and computers. Watch House of the Dragon S01E02 WEBRip x264-IO...
: This is the name of the "release group" that encoded and uploaded the file. Episode 2: " The Rogue Prince " : This refers to Season 1, Episode 2,
In this episode, the political tension in Westeros starts to heat up. Six months have passed since the series premiere. : This refers to Season 1
: This means the video was captured (recorded) from a streaming service. It’s generally good quality, though a "WEB-DL" is often slightly better as it is a direct download of the original stream.