: Refers to the audio codec (Advanced Audio Coding), which is the standard format for lossy digital audio.
: Indicates the source type . This means the video was captured or "ripped" from a High Definition digital stream (like a web platform). S01E01T02 : This is the sequencing data . S01 : Season 1. E01 : Episode 1. : Refers to the audio codec (Advanced Audio
: The file container . Matroska Video files can hold multiple video, audio, and subtitle tracks in a single file. S01E01T02 : This is the sequencing data
: Refers to the video resolution (1280 x 720 pixels), often called "Standard HD." : The file container
The text you're referring to——is a standard digital file naming convention used by online distribution groups.
: This is the attribution tag identifying the website or "release group" that uploaded or encoded the file.