Designer Li Kuang-chi says that the underlying meaning of the design is that Taiwan "shines a light to the opposite shore." Moreover, there is an ROC flag on the lighthouse in the picture, albeit one shrunk down to nearly imperceptible size.
設計者李光棋表示，燈塔郵票有「照亮對岸」的含意，而且每座燈塔上都有國旗，只不過已縮小到不易察覺的程度。