| A | B |
| The address of the person sending the letter (sender). Includes the street address, city, state, and zip code. Note: The return address does not include the sender's name. | Return Address |
| Includes the following information of the person receiving the letter: courtesy title (Mr., Mrs., or Ms.), first and last name and his/her job title (if applicable), company name (if applicable), street address, city, state, and zip code. | Inside Address |
| Includes the greeting (opening) of the letter, followed by the receiver's courtesy title and last name. | Salutation |
| Includes the details of the letter. The first paragraph should introduce and state the reason for the letter. The following paragraphs should provide details for why the letter is being written and any background information that supports the message. | Body |
| Typically includes a closing phrase and is used to show respect and appreciation for the person reading the letter. | Complimentary Closing |
| The space for the sender's signature | Signature Area |
| Includes the sender's first and last name, followed by his/her job title (if applicable). | Sender's Name |
| Initials of the person (other than the author) who typed the letter for the sender | Reference Initials |