: Short for "Video." (You’ll see IMG for photos or AUD for audio).
: A sequential number assigned to the media received on that specific day. Why Do These Names Show Up Online? VID-20170210-WA0040
: The date the file was saved to the device (Year-Month-Day format). WA : Stands for WhatsApp . : Short for "Video
The string breaks down into a specific logical sequence used by the app to organize media: VID-20170210-WA0040