Letter writing is a form of communication used for personal, professional, and official purposes. There are several types of letter writing, including formal letters, informal letters, business letters, and official letters. Formal letters follow a structured format and are used for professional communication, such as job applications, complaint letters, and business correspondence. Informal letters are personal and written to friends or family members in a casual tone. Business letters are used for corporate communication, including proposals and inquiries. Official letters are sent to gover