신호가

In a sentence

• 신호가 없어 전화를 받을 수 없습니다.

  There is no signal, so I cannot receive the call.

  Here, '신호가' refers to a signal (mobile or network signal) required for phone communication.

• 교차로에서는 신호가 아주 중요합니다.

  At intersections, signals are very important.

  In this context, '신호가' is used to refer to traffic signals that regulate vehicular movement.

• 신호가 보이면, 출발할 준비를 하세요.

  When the signal appears, get ready to depart.

  Here, '신호가' denotes any cue or indication for action or movement.