Another name for ancient letters in China.

The letter "letter" for short is something that only existed in modern times. In the long historical process, due to the evolution of books and materials, letters have many aliases and reputations. Here are a few examples. Bamboo slips, Cambodian slips, Zagreb slips and iron slips are also called ancient books and bamboo slips, books and the like can be called Jane, and letters and the like can also be called Jane. There is a difference between a book and an abbreviated version. The length of the book is appropriate, while the abbreviated version is more than zero. After the Wei and Jin Dynasties, "Cambodia" was also written in "Jian". It is still in use today. Zagreb is a small wooden slip used in ancient Chinese characters, which was later used as another name for letters. Letters written on silk in ancient times were called posts, such as some miscellaneous posts written by famous calligraphers Zhong You, Wang Xizhi and Wang Xianzhi, which were short letters with meaningful feelings. Writing paper, plain paper and elegant paper are small and luxurious, and plain paper is white raw silk. Many ancient people wrote letters on writing paper and plain paper. John is a bird feather and was used as a pen in ancient times. Therefore, stationery, elements and letters are usually called letters. Later, with the development of written materials, people still like to use words such as elegance, plainness and Hua Han as the laudatory name of letters. The envelope of a letter is called a letter, and each letter is called a letter. Later, letters were used instead of letters. Footprint knee, book edition. Ancient envelops were about one foot long, so they were called letters, also known as "ruler element", "ruler Han", "ruler Jane", "ruler paper" and "ruler book", which generally referred to letters. Yanzu, Yan Bo, Yan Shu and Luan Jian recorded the story of Su Wu in Hanshu, saying that Su Wu was detained by Xiongnu and herded sheep in Beihai. Later, Han Ting asked Xiongnu to return Su Wu, and Xiongnu lied that Wu was dead. The Han envoy said Khan, and the Han emperor got the goose of the Northern Song Dynasty in the forest garden. The goose was full of silk, saying that Su Wu and others were in a river, so Khan had to release Su Wu to Han. Thus, letters became synonymous with goose feet, goose silks and goose books. For another example, Shu in Song Dynasty was good at taking ten-color notes, and there were hidden lines of flowers and trees on the notes, so he gave the letters another name: Luan Notes. Eight-part essay used to be vertical stationery, divided into eight lines with red lines, and the letters are also called eight-part essay. In addition, such as letter, Jane, single, slide, knee, ruler, letter, news, audio, audio query, audio mail, audio letter, audio book, etc., are also used as pronouns of letters. For another example, handwritten letters are called calligraphy, short messages are called short messages, short books are short messages, short messages are called answers, Buddhist letters are called legal posts, letters that sever contact with people are called dear John, letters without names are called anonymous letters, and anonymous letters that slander are called flying books, flying articles and flying chapters, and so on.