Literature Reference: 东门之枌，宛丘之栩。——《诗经·国风·陈风·东门之枌》 At the east gate, the elm trees stand; on Wanqiu Hill, the oak trees sway. Source from 'The Book of Songs: Chen Feng'.
东: The East, the direction of the sunrise, symbolizes the essence of hope.
栩: Xuxu, vividly. Describing someone as lively and animated.
Meaning: Dongxu symbolizes the beauty of nature and the resilience of life, like the elm and oak trees in the poem.