Since this is a "Raw" release, check if it includes an "External" or "Soft" subtitle track. If not, you may need to find a .srt or .ass file separately to understand the dialogue.
Based on that file name, you're looking at a high-quality release of an anime episode. Technical Breakdown [NC-Raws] - 09 (B-Global 3840x2160 HEVC AAC MKV...
This is native 4K resolution. While most anime is produced in 1080p, these files are often upscaled using high-end algorithms for better clarity on 4K displays. Since this is a "Raw" release, check if
The "Matroska" container. It allows the file to hold multiple subtitle tracks and audio streams in one package. Viewing Considerations Since this is a "Raw" release
This is the audio format (Advanced Audio Coding). It's a standard, high-quality compressed audio format that works on almost any device.