DVD stands for either Digital Video Disc or Digital Versatile Disc. The term originally was "digital video disc," reflecting its primary use for storing video content, but it was later also called "digital versatile disc" to emphasize its broader capabilities for storing various types of digital data beyond just video

. The name "digital versatile disc" was adopted to highlight its versatility for multimedia applications, including data storage, software, and interactive content, not just video playback

. Both terms are widely accepted and used interchangeably. In summary:

• DVD = Digital Video Disc (emphasizing video content)
• DVD = Digital Versatile Disc (emphasizing multifunctional data storage)