Literature Reference: 懿，美也；窈，深也。—— 《说文解字》 Yi means beauty; Yao means depth. Source from 'Shuowen Jiezi'.
懿: Beauty. In names, it often signifies the embodiment of both virtue and talent, as well as a graceful and pleasing appearance.
窈: Beautiful and kind-hearted, often referring to one's character and appearance.
Meaning: Yi signifies beauty and virtuousness; Yao signifies depth and elegance. The name implies both inner and outer refinement, with noble character and profound depth.