👌오케이를 표시한 손An OK hand. Conveys "okay", approval — but in some cultures it can be an offensive gesture, so context matters.
🚦세로 신호등A traffic light. Means traffic, signals and stop-and-go. Use it for driving jokes and "green light" moments.
🛑멈춤 표시A stop sign. Means stopping, halting and boundaries. Use it for "stop right there" and road safety.