The name indicates the video was saved or recorded on .
You could write about the transition from physical "tape" to digital fragments. The irony is that while the name "tape" persists in the file string, the media is entirely virtual. 3. The Mystery of the Unnamed Media
To give you a better essay, I need to know what is actually the video. Is it a lecture or presentation ? Is it a personal memory or viral clip ? Is it a recorded glitch or artistic piece ?