Letters can be personal or formal. Formal Letters are business letters and constitute business thank you letter,sales letter,order letter,application letter,etc. Birthday letter,Sorry letter,etc are Personal Letters .

1. Types of Letters http://www.bestsampleresume.com/letters/

3. Reference Letter

4. Application Letter

5. Introduction Letter

6. Sales Letter

7. Formal Letter

11. Application Letter for Internship , College Application Letter, Loan Application Letter are also important Application Letters.

13. Sales Letter Sales Letter , in simple words, is an advertisement to sell products or services. The main aim of sales letter is to advertise your product in front of the customers or clients . The sales letter explains the good features of the service you are providing.

14. Formal Letter Formal letter can be related to business, institution or educational purpose. The format has to be followed while writing a formal letter.

15. Birthday Letter Birthdays are special days. Write a letter to your loved one and make the day more special.

16. Agreement Letter Apology Letter Complaint Letter Excuse Letter Follow Up Letter Hardship Letter Letter of Invitation Letter of Support Transfer Letter Warning Letter Good Bye Letter……. Some More Letters:

17. For more details on Letters, visithttp://www.bestsampleresume.com/letters/how-to-write-letter.html