People are like stained-glass windows that shine brightly when the sun is out but reveal their true beauty from an inner light in darkness. The document pays tribute to the author's beautiful sisters - Jebie, Emiey, Melvyn, Che, Chen, Joan, and Dorothy. It notes that while not everyone has the privilege of sisters, those with sisters develop very close friendships, and sister relationships can also form without biological ties through developing sister-like bonds with other girls.