Look up after the phatic language (innumerable language) on the role of the opening. Whether it is often communication or have never met before, the beginning of the letter should be greetings. Greetings to the other party a sound, is an indispensable etiquette. Greetings may be long or short, even for a short to "hello" two words, also reflect the writer's a piece of sincere, rather than "allowing article". Greetings to the relations between the two sides, hand in a shallow unfavorable speech deep, with simple and natural advisable.
The content must be clear, accurate text is the main body of the letters, i.e., the writer to say things.
The text of the letter from the second line began to write, front empty two case. The content of the letter although each are not identical, writing also varied, but should be content clearly, narrative accurate, language fluently, write neatly as the principle, in addition to humility advantage, according to the characteristics of the reader and the writer and the receiver relationship between specific wording (including honorific modest choice of word, the intonation of master, etc.).