Definition - What is HDMI?
HDMI (High-Definition Multimedia Interface) is an industry standard for creating audio and video connections between high-definition electronic devices. HDMI supports two-way digital communication between the video source and the video display with one cable. The simple cabling scheme has made HDMI popular for home theatre setups.
See also: HDTV
> The website How Stuff Works explains How HDMI Works
> CNet has a reference guide for HDMI and HDMI cables
> An HDMI connection allows you to use your notebook computer as a video player for your HDTV.