A method of communication between individuals or entities using predetermined symbols, such as colors, shapes, lights, or sounds, to convey intentions or messages.
A mechanical device used to control and regulate the movement of pedestrians and vehicles on roads and railways by displaying visual cues.
A representation of data, such as audio or images, transformed into electrical waveforms for the purpose of transmission and reception in communication systems.
Example:
信号が青に変わったわよ。
A warning signal, often in the form of a red flag or light, used in transportation systems to indicate the presence of danger and to prompt caution.
An indication or situation that suggests the potential for health risks or social problems, serving as a forewarning of possible danger.
Example:
赤い光は危険信号としてよく用いられる。
A signaling device positioned at road intersections, utilizing colors such as red, yellow, and green to regulate the flow of vehicles and pedestrians.
A system of lights that communicates when drivers and pedestrians should stop, proceed with caution, or go, enhancing safety and organization on roadways.
An essential element of urban infrastructure aimed at controlling traffic movements and minimizing accidents at intersections.
Example:
この道を交通信号まで行き、左に曲がりなさい。
A type of flag used by ships or vessels to communicate signals according to established maritime codes, facilitating navigation and coordination at sea.
A flag that conveys messages or information between ships, often indicating status, intentions, or instructions in a visual manner.
A signaling device in the form of a flag, commonly utilized in naval operations to ensure clear communication among ships and between vessels and shore.
Example:
ちょっと屈めば、信号旗がチラチラと見え隠れします。
A signaling device installed on roadways or railways that indicates whether vehicles or pedestrians should proceed or stop, ensuring the safe flow of traffic.
An apparatus that displays colored lights or signals to regulate the movement of vehicles and pedestrians at an intersection, promoting organized and safe transportation.
A safety mechanism used in traffic management, consisting of lights that communicate specific directions to drivers and pedestrians, thereby preventing accidents and improving overall road safety.
An electronic system that coordinates the movement of traffic by assigning specific phases for stopping and going, vital for maintaining order at busy junctions or crossings.
Example:
信号機が赤の間は道路を渡るな。