Formal letters

 Formal letters are the standard forms of letters which are used in formal situations for particular purposes. The language style is formal, i.e. colloquialisms and slangs cannot be introduced in the formal letters. Most of the official and business letters are formal ones because these letters are written maintaining formality of the language. There must be formal relation between the sender and the receiver. Formal letters are normally short and clear. Official letters, business letters, letters of application, letters to the editor, etc. are the examples of the formal letters. They are practised from one institution to another , or from one office to another, or from one organization to another, from one office to a person and from person to an office.