DVD-RW is a term most commonly used to describe a rewritable DVD disc. However, there are other synonyms that can be used to refer to these types of discs. For instance, you can use the term DVD rewritable or rewritable DVD interchangeably with DVD-RW. Other synonyms that you can use include DVD-RAM or DVD+RW. DVD-RAM stands for DVD Random Access Memory and can be used to describe both rewritable and non-rewritable DVD discs. DVD+RW, on the other hand, is a DVD standard that was developed by Philips and Sony, and like DVD-RW, it can also be used to describe rewritable DVD discs.