It is to express your thoughts and wishes to people far away. A wisp of lovesickness, on the surface it means that I miss you very little, but the subtext implies that I have never stopped missing you from the beginning to the end. Send to the bright moon means to use the bright moon to express your thoughts. There are sentences in ancient poems about "Thousands of Miles" and "Chan Juan". The world is so close to each other. There are only a few months between us. It feels like we are very close to each other. I hope you and I will take care of each other.