: The video codec (Advanced Video Coding, also known as H.264), which is a standard for high-definition video compression.

: This stands for Crunchyroll , indicating the video was originally ripped or sourced from the Crunchyroll streaming platform .

: A CRC32 checksum . This is a unique string of characters used to verify that the file was downloaded completely and hasn't been corrupted. If your file's checksum doesn't match this, the download is likely "broken." track3 ara ass : track3 : Refers to the third data track within the MKV file. ara : The language code for Arabic .

: The "release group" or source. "NC Raws" is a known group that provides "raw" anime footage. In this context, "raw" usually means the video is unedited or comes directly from a source like a Blu-ray or streaming service without hardcoded subtitles. Chainsaw Man : The title of the anime series.