Letter writing is the art of expressing thoughts, requests, or information through written communication. Whether formal or informal, it serves personal, academic, or professional purposes. A well-written letter is clear, structured, and respectful in tone. It follows a specific format, including elements like greeting, body, and closing. Mastery of letter writing helps convey messages effectively, build relationships, and maintain professionalism. With the right style and intent, letters can leave a lasting impact and serve as important tools in communication across various situations.