Ancient allegorical patterns. "Five grains" refers to five types of grains. Ancient sayings were different, some said it was rice, millet, millet, wheat, and bean sprouts; some said it was rice, millet, wheat, beans, and hemp. In short, it refers to several major crops. "Fengdeng" means a good year. Bai Juyi's poem: "How can Yi Xunliang be transformed? It is because of this that I am lucky to be in the new year." May the grains be abundant and wish for a good agricultural harvest to express people's good wishes in life.