Literature Reference: 好雨知时节,当春乃发生。—— 杜甫《春夜喜雨》 The good rain knows the right season, coming with the spring. Source from Du Fu's 'Happy Rain on a Spring Night'.
雨: The life-giving rain that nourishes all things.
Meaning: Rain symbolizes nourishment for all things, bringing vitality and hope, signifying the continuation and growth of life.