• Formal Letter : একটি Formal/ Official Letter/ Application এর ৬টি অংশ থাকে। 1. Heading: Date, Designation (পদবী) & Address of the Recipient 2. Salutation (সম্বোধন) : যেমন- Dear Sir/ Madam 3. Body (মূল বক্তব্য) 4. The Subscription: যেমন- Yours faithfully/ I remain, Sir 5. Signature of the Writer 6. Superscription: Detailed Designation & Address on the Envelope.