Literature Reference: 青青水中蒲，下有一双鱼。—— 《青青水中蒲三首 一》 韩愈 Green rushes in the water, beneath them swim a pair of fish. Source from 'Three Poems of Green Rushes in the Water' by Han Yu.
水: Rivers, streams, lakes, and seas collectively. It metaphorically signifies that when conditions are ripe, tasks will be accomplished smoothly.
蒲: In ancient usage, it is the same as "匍" (pú), which means to prostrate or crawl.
Meaning: Water rushes symbolize freshness, nature, and tranquility by the clear waters.