When you write a composition you need to understand the type of writing required.Your piece of writing can be in the form of a lett.e. r, an article for a magazine1 > -newspaper or a report. . ... .I. .:-l*;:?.P. jLSe7ERS are written to a person (e.g. your pen friend, a newspaper editor, etc) or a group of people (e.g. the students' society, the local football club, etc) for a specific reason (e.g. to give advice, to make a complaint etc). They include:Informal letters to people you know well, written in a personal chatty style. Formal letters to managerslofficials etc, written in a polite formal style. Semi-formal letters to people you do not know well or people you know want to sound polite and respectful e.g. a teacher of yours, your pen friend's p etc, written in a polite and respectful style.