Literature Reference: 'Yun' means trustworthiness, from 'Shuowen'; 'Tong' refers to red decoration, from 'Shuowen'.
允: Promise, to permit. It metaphorically signifies honesty and trustworthiness, ensuring that every commitment is fulfilled.
彤: Red. It metaphorically refers to a woman's literary and scholarly pursuits, often implying her tranquility, gentleness, humility, good disposition, and talent.
Meaning: 'Yun' signifies trustworthiness and fairness, while 'Tong' symbolizes red, representing passion and hope.