What does letter mean?

"Letter" refers to a form of correspondence, usually refers to a formal letter or letter. This kind of correspondence is mostly used in business, legal, official, academic and other occasions, with formal, serious and fair characteristics. The content of the letter should have a clear purpose and theme, the format and terminology should be standardized, pay attention to the wording, a high degree of caution.

In the modern era of increasingly developed electronic communications, traditional letters have been gradually replaced by e-mail and SMS. However, for some specific occasions such as official exchanges, business contracts, etc., the form of traditional letters is still needed. In this case, the letter should conform to the format requirements as much as possible, so as to achieve better reading, understanding and expression.

In addition to traditional letters and e-letters, there are many other forms of letters in modern society, such as postcards, greeting cards, initiatives, notices and so on. These forms of letters may not be as serious and formal as traditional letters, but they also have their own characteristics and purposes of conveying information. When writing these letters, attention should be paid to the wording, expression and tone, so that readers can more easily understand and accept the information conveyed.