The second question: in ancient times, packaging was all personal clothes, jewelry and silver tickets, all soft and light things. It is not big, so it is called "soft".
Extended data
Characteristics of ancient coins in China
The ancient coins in China have strong cultural attributes. Coins run through the long history of ancient China, reflecting the continuity, stages and inheritance of culture in its development, and bearing and covering the cultural information in the historical process of Chinese civilization in an all-round way.
Formally, it inherits the concept of jade cong, which is a round square hole. It contains China's cosmology and philosophy of ancient heaven and earth, and it is the concrete embodiment of the ancient theory of Yin and Yang gossip. This philosophy of "the outer circle is the inner side" and "the harmony between man and nature" is an important element of ancient culture in China, which has had a far-reaching impact on the principles and codes of conduct of ancient people in China, as well as the architectural structure and geomantic customs in ancient China.