Before heading abroad, strong communication skills are crucial—not only for passing exams but also for academic success and social integration. A well-structured helps you: • Improve fluency and pronunciation • Practice real-life conversations • Prepare for speaking sections of exams like IELTS and PTE • Informal letters are written to friends and family. They are casual in tone and often personal. • Formal letters are addressed to authorities, universities, or companies and must be concise, polite, and structured.