Tell me DVD, the new technology that looks like a CD-ROM but holds over 4.7 Gb of data (can hold a full length movie) stands for?

DVD stands for Digital Versatile Disc.

DVD is the new generation of optical disc storage technology. DVD is essentially a bigger, faster CD that can hold cinema-like video, better-than-CD

audio, still photos, and computer data. DVD aims to encompass home entertainment, computers, and business information with a single digital format.