Yellow lights are a common sight on the streets and highways. They indicate caution or warning to drivers and pedestrians. However, there are several synonyms for the phrase "yellow lights," such as amber lights, caution lights, warning lights, hazard lights, and blinking lights. All these terms signify the need for alertness and care while approaching a particular area, event, or situation. Different industries and fields may use specific terms, such as cautionary signals in aviation and warning systems in manufacturing plants. Despite the variety of terms, their purpose remains the same: to prevent accidents, reduce risks, and promote safety measures.