A formal letter is a type of written communication that follows a specific structure and style. It is typically used for professional or official purposes, such as job applications, business correspondence, or requests to organizations. The format usually includes the sender's address, the date, the recipient's address, a formal greeting, the body of the letter, and a closing signature. In a formal letter, the language is clear and respectful, avoiding slang or casual expressions. Common elements include a subject line, a polite tone, and a clear purpose. Examples of formal letters include cover letters for job applications and letters to government officials or institutions like schools and businesses.