This personal letter discusses the structure and linguistic features of personal letters. It introduces the author, Eni Nur Aini, a 22-year-old graduate student from Universitas Muhammadiyah Yogyakarta. The letter reviews the definition of personal letters and their intended audience of family, friends, and pen pals. It also outlines the structure of personal letters, including introduction, body, and conclusion. Linguistic features like grammar, vocabulary choice, and sentence structure are examined. Finally, different types of personal letters are identified such as family letters, pen pal letters, and thank you letters.