F4_tamil.mp4

: As an MP4 file, it is a digital container designed to hold compressed video and audio data using the MPEG-4 Part 14 standard.

: The 4th file in a series (e.g., "File 4" or "Part 4"). f4_tamil.mp4

: The "tamil" suffix strongly suggests the audio, subtitles, or subject matter is in the Tamil language. : As an MP4 file, it is a