Why is the letter "letter" called "letter"

The origin of letters. Ancestors count by tying knots. Today, they played a few prey, and whoever scored how many points tied a knot in their hearts, for fear of forgetting, it was a "letter" to themselves. Slowly, there is the concept of numbers. Which hill to go to? There are many prey here. Just draw some animals on the cliff and tell relatives that they can hunt here. This is an image letter.

From the excavation of Nu Wa's man, Jingwei's refining stone to fill the sky, to the Yellow Emperor's battle against Chiyou and Dayu's dredging flood, this is all ancient.

People's letters about the origin of all things, human development and the evolution of social forms. With the development of future productive forces,

With the origin and development of ancient Chinese characters, the ways of information dissemination are more and more diversified. People are divining.

Later tortoise shell Oracle not only produced Oracle Bone Inscriptions, but also produced "Is it the ecliptic today?"

Jerry, can you do something? "Letters. During the Shang and Zhou Dynasties, with the application of smelting technology, the royal family put

Important information such as history is engraved on the bronze tripod of the country's heavy weapon, or praised, or alerted, or passed on to future generations.

Or buried in the ground and written, not for reading, but for remembering history and educating future generations.

Left a letter. During the Spring and Autumn Period and the Warring States Period, people wrote on bamboo slips, first tied them with ropes and then sealed them with mud.

After that, they put seals on the pipa. Probably during the Spring and Autumn Period and the Warring States Period, there were disputes among the seven countries, frequent wars and correspondence.

Anti-counterfeiting and confidentiality are extremely important, which is also the origin of anti-counterfeiting technology in China.

Cai Lun invented papermaking in the Eastern Han Dynasty, which was regarded as one of the four great inventions in ancient times, and provided conditions for the popularization of writing.

Convenient conditions. Both literati and civilians regard letters as a tool for mutual communication and expression of feelings.

An important means to express your feelings. But the traffic was not developed at that time. After writing the letter, I will either deliver it myself or ask someone to bring it.

Yes, if the distance is far, it is common for letters to walk on the road for about a year. So people envy swimming in the water.

Fish and flying geese in the sky pin their thoughts on the clear water house and the white cloud canopy, showing a fast word. along with

Actually, there is a special messenger and a post station for the messenger to rest in Malaysia. at that time

The messengers in the post are all official, because the emperor wants to expand his imperial power and issue decrees. It's often an imperial edict, so

It's a fast horse relay, running day and night. Yang Yuhuan, the beloved princess of Emperor Taizong, likes to eat litchi. The emperor ordered the passage of secrets.

It is delivered on the same day of transportation, so Yang Guifei can pick up 300 lychees a day. Although Yang Guifei was lucky enough to pass the confidential information.

The communication channel ate fresh litchi, but at that time, the main function of messengers and post stations was to transmit information. from

With words and paper, letters have become an important way of communication. Letters have also become a continuation of a few.

A thousand-year history of civilization is an important carrier for inheriting culture and promoting economic and social development.