Literature Reference: 繁云先合寸，膏雨自依旬。—— 《同刘晃喜雨》 Dense clouds gather first, and the nourishing rain follows in due time. Source from 'Tong Liu Huang Xi Yu'.
膏: Fertile and rich soil, abundant and nourishing land.
雨: The life-giving rain that nourishes all things.
Meaning: Nourishing rain symbolizes timely blessings and sustenance.