... DVDs. With a slew of formats including DVD-R, DVD+R, DVD-R DL, DVD-RW, DVD+RW, DVD-RAM, and DVD-D, there's a whole lotta Ds ... stands for Digital Versatile Disc and DVD-R is a recordable version of the DVD optical disc. DVD-R was developed by Pioneer in the ... that time there were 2 competing formats, DVD-R and DVD+R. Each format was supported by different companies. There are still 2 ...