Literature Reference: 夕郎夜直吟仙掖，天乐和声下禁楼。—— 《和卢给事酬裴员外》 姚合 In the evening, the courtier chants poetry in the imperial palace, as celestial music descends from the forbidden tower. Source from 'He Lu Gei Shi Chou Pei Yuan Wai' by Yao He.
夕: Dusk, evening. Surname.
郎: The term used to address a young man, metaphorically referring to a handsome man.
Meaning: Xi Lang refers to a night-duty courtier, symbolizing loyalty and diligence.