Differentiate between office circulars, office orders and office notes. State the standard parts of a business letter.

Office circulars - ...
Office orders - ...
Office notes - ...

The standard parts of a business letter are:

1. Letterhead or typed heading
2. Date
3. Inside Address
4. Salutation
5. Body (Text)
6. Complimentary closing
7. Signature
8. Typed name