In that case the red light would be a beacon which means "forward," "go," "follow me," "damn the torpedoes." Right?

他就很可能代表,出发，跟我来等等意思，对吧？

耶鲁公开课 - 文学理论导论课程节选

We still sometimes want to be Winthrop's City on the Hill, beacon of something for everybody.

有时我们仍然希望成为山上的温思罗普城,成为每个人心中的灯塔

耶鲁公开课 - 美国内战与重建课程节选