The string "g60608.mp4" can be broken down into components frequently found in professional video processing and server administration:
: The number "608" is most commonly associated with the EIA-608 (now CEA-608) standard. This is the legacy standard for closed captioning in NTSC TV broadcasts in the United States and Canada. Developers often use test files named with "608" to verify that MP4 containers correctly carry these embedded caption streams.
: MP4 (MPEG-4 Part 14), a universal digital multimedia container format.