Literature Reference: 暂屈汾阳驾，聊飞燕将书。—— 杜甫《收京三首 一》 Briefly yielding the chariot of Fenyang, yet swiftly flying the letter of Yan. From Du Fu's 'Three Poems on Recapturing the Capital I'.
燕: The swallow. In names, it often symbolizes good fortune and peace, signifying auspiciousness, health, and a beautiful life.
书: Books, repositories of knowledge, embody wisdom. They express art and literature, convey profound thoughts, facilitate emotional expression, and are adorned with literary elegance.
Meaning: Yanshu signifies a letter conveying messages, symbolizing wisdom and communication.