Literature Reference: 铁马万霜雪，绛旗千虹霓。—— 《献襄阳于大夫》 Iron horses tread through frost and snow, crimson banners like a thousand rainbows. Source from 'Presenting to Doctor Yu of Xiangyang'.
千: A large quantity symbolizes profound blessings, representing an auspicious character.
虹: "Colorful and radiant. This character embodies a life full of diversity, enjoying the bliss of freedom."
Meaning: Thousand rainbows symbolize a splendid and radiant life, shining with brilliance and color.