The various parts of a business letter are:
1. Heading: It contains the name and address of the business organisation.
2. Date: It is written on the right hand side corner below the heading.
3. Reference: It shows the department of the organisation that sends the letter.
4. Inside Address: It contains the name, address, pin code and job title of the recipient and is written on the left hand side of the letter.
5. Subject: It is the reason for writing the letter in brief.
6. Greeting: It refers to the words used to greet the recipient. It is also called salutation. It contains words like Sir or Madam.
7. Body paragraphs: It contains the actual message of the sender. The opening part contains the introduction of the writer and reference of any previous correspondence. The main part states the reason or the main idea of writing the letter. The concluding part is the conclusion of the letter and shows any suggestions or action to be taken.
8. Complimentary close: It is a humble way of closing a letter in accordance with the salutation. The generally used complimentary close are Yours faithfully, Yours sincerely, Yours truly and Thanks and regards.
9. Signature: It includes signature, name and designation of the sender. The signature is hand written just above the name.
10. Enclosures: It shows the list of documents that are attached to the letter.
11. Copy circulation: It is denoted as C.C. and is required when copies of the letter is given to other persons.
12. Post script: It is the paragraph added after the letter and is denoted by P.S.