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Definition: line


(1) In text-based systems, a row of characters.

(2) In graphics-based systems, a row of pixels.

(3) See LINE messaging system.

(4) A communications channel. See line card and port.




The First Lines
This photo, taken at Broadway and Cortlandt Streets in New York in 1883, shows a nation exploding with its first communications. The very same thing is happening today with the Internet, only the infrastructure is not visible. (Image courtesy of AT&T.)