Signal

Meanings

A sequence of states representing an encoded message in a communication channel.
To indicate; to convey or communicate by a signal.
Standing above others in rank, importance, or achievement.

Signal: multiple subject fields including signal processing, information theory and biology. In signal processing, a signal is a function that conveys information
The Signal: The Signal may refer to: The Signal (2007 American film), a horror film written and directed by David Bruckner, Dan Bush, and Jacob Gentry The Signal (2007
Signal (software): Signal is an open-source, encrypted messaging service for instant messaging, voice calls, and video calls. The instant messaging function includes sending