What does a salted duck egg yolk in a Chinese mooncake represent?

Here is the question :

WHAT DOES A SALTED DUCK EGG YOLK IN A CHINESE MOONCAKE REPRESENT?

Here is the option for the question :

• A dragon
• The emperor’s wife
• A firefly
• A full moon

The Answer:

And, the answer for the the question is :

Explanation:

[STC0017121]. A customary treat at China’s Mid-Autumn Festival, which usually takes place in September or October, are mooncakes. It is a tiny cake made of flour and golden syrup, which gives it its golden hue. Taro coconut and creamy lotus paste are frequently used as fillings. Traditional mooncakes also have a salted duck egg yolk in the middle, which is believed to symbolize the festival’s main attraction: a full moon.