what is a dvd rewriter
Split and merge into it. Answer by Rtrahan. Confidence votes 1.1K. You will see DVD-R and DVD-RW. DVD-R is DVD-Read, you can only move data to this kind of DVD once, another words if you fill it up you cannot write anything else to it. DVD-RW is DVD-Read/Write, you can move data to any as many times as you want. It will allow you to re-use it when it is full.