Homonym: sign (Indication)
A "sign" is a symbol or indication that conveys information or meaning. It can be visual, such as a traffic sign that directs drivers, or auditory, like a warning siren that alerts people to danger. Signs are used in various contexts, including public spaces, businesses, and communication.
In addition to physical signs, the term can also refer to gestures or signals, such as a hand sign used in sign language. Signs help people understand their environment and make decisions based on the information they provide, enhancing safety and communication in daily life.