DVD-RAM

optical discs for recording and reproducing of digital information such as data, sound, image, computer games, computer programs and map information; prerecorded optical discs of digital information such as data, sound, image, computer games, computer programs and map information; optical disc players; optical disc recorders and personal computers, color television sets, electronic documents filing systems comprising computers, displays, scanners, optical disc drives and printers; and car navigation systems comprising optical disc drives, computers, displays and antennas