Meaning varies depending on the characters used. A famous fictional bearer is Yu Ziyuan from Mo Dao Zu Shi, whose name is written with the characters 紫鸢.
From Chinese 紫苑 (zǐyuàn) meaning "aster", which combines 紫 (zǐ) meaning "purple" with 苑 (yuàn) meaning "garden". Another combination is 子 (zǐ) meaning "child" combined with 远 (yuǎn) meaning "far, remote, distant". Other character combinations can form this name as well.