Signal
A signal may refer to: - an abstract element of information, or, more exactly, usually a flow of information (in either one or several dimensions). See Signal (information theory).
- (in electronics) a signal is any physical phenomenon that can be modeled as a function from time or position. Signals carry information: Analog signals are continuous while digital signals are discrete (see signal processing and noise (physics)).
- Signal related to computing, See signal (computing)
- (in the streets) a means of controlling road vehicles, pedestrians or trains (see Traffic signal, Pedestrian crossing or Railway signal).
- (in a partnership card game) a player's choice of card to play at a particular time, which gives information to a partner, in a partnership card game (see signal (bridge)).
- Signal was also a German Wehrmacht propaganda newspaper during World War II.
- Signal 1 and Signal 2 are local radio stations operated by the Wireless Group in Stoke-on-Trent, England.
- In economics, a signal describe a way of credibly conveying information from one party to another. See signaling, Michael Spence.
- A brand of toothpaste.
- A discontinued brand of NCR paper.
- Signal is a Bulgarian rock band.
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