What does "Xuan Yin Chunhui" hanging above the gate mean?

Xuan: A perennial herb with strip-shaped leaves and yellow or red-yellow flowers for viewing. Also known as "day lily"; The abbreviation of "Xuan". Refers to the mother or the place where the mother lives.

Chunhui: Spring, Chunyang. Metaphor is maternal love.

"Xuan Yin Chunhui": It is used to praise the hostess's virtuous virtue and the descendants of virtue.