Signal (disambiguation)

A signal is any variation of a medium that conveys information.

Signal or signaling may refer to:

Science and technology

Analog signal
Audio signal
Digital signal
- Digital signal (signal processing)
Cell signaling, in biology
Signalling (economics), in economics theory
Signalling theory, in evolutionary biology
Time signal

Computing

SIGNAL (programming language), a synchronous programming language
Signal (software), an encrypted voice calling, video calling and instant messaging app
- Signal Protocol, a cryptographic protocol used by the Signal application
Signal (IPC), a form of inter-process communication used in Unix and related operating systems
- C signal handling, a way for handling signals received by programs during their execution

Communications

International Code of Signals, a standard for sending signals by displaying flags
- Maritime flag signalling, generally flaghoist signalling, by which ships communicate with each other
- Naval flag signalling, covers various forms of flag signalling, such as semaphore or flaghoist
Military communications, often called "signals"
Recognition signal in human, technical or biological communications
Signaling (telecommunications), a part of some communication protocols
Smoke signal, an ancient form of communication
Telegraphic signal, in telegraphy

Transportation

Arts and entertainment

Signal (magazine), a Wehrmacht propaganda magazine which was published in occupied Europe during World War II
SIGNAL (US magazine), publication of the Armed Forces Communications and Electronics Association
Signal, a New York Yiddish-language literary monthly published from 1933 to 1936 by the Communist Party USA
Signal (novel), a 2009 children's novel about a boy who helps a girl from another planet signal her parents
Signal (South Korean TV series), a 2016 South Korean police procedural TV series
Signal (Japanese TV series), a 2018 Japanese police procedural TV series based on the 2016 South Korean series of the same name
Signal – The Southeast Electronic Music Festival, an annual music festival held in the US
Signal, Wyoming, a fictional town from the 2005 film Brokeback Mountain
"Signals", a 2005 episode of the animated television series 12 oz. Mouse

Music

Signal (band), a Bulgarian rock band

Albums

Signal (album), a 2005 album by Casiopea
Signals (Mal Waldron album), 1971
Signals (Mallory Knox album), the début album of the Mallory Knox band
Signals (Rush album), 1982
Signals (Wayne Krantz album), 1990
Signals, an album by American band Devour the Day
Signal (EP), a 2017 extended play by South Korean girl group Twice

Songs

"Signal" (KAT-TUN song), a 2006 Japanese song by KAT-TUN
"Signal" (Twice song), a song recorded by South Korean girl group Twice
"Signal", a song by General Degree
"Signal", a single by Stan Getz
"Signal", a song from the 2006 Bollywood film Bhagam Bhag

Places

United States

Signal, Arizona, a ghost town
Signal, Missouri, a ghost town
Signal, Ohio, an unincorporated community

Organizations

Signal Systems, a telecommunications company of the McLean Group of Companies
Signal Foundation, a non-profit organization

Other uses

Signal (bridge), a permitted means of conveying information to partner through the play of cards in contract bridge
Citation signal, in law
Signal (toothpaste)
USS Signal, several US Navy ships

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