What is a ISO Video file?
Definition: An ISO file, often called an ISO image is an "image" of an entire CD, DVD, or BD. The entire contents of a disc can be perfectly represented in a single ISO file.
Burn the ISO file to a CD, DVD, or BD disc. It's a different process than burning a bunch of music or document files to a disc because your CD/DVD/BD burning software must "assemble" the contents of the ISO file onto the disc.