| A | B |
| Dateline | Displays the date the letter was keyed and mailed. |
| Inside Address | Consists of the receiver's name and title, street address or post office box number, and the city/state/zip code. |
| Salutation | A formal greeting consisting of the receiver's title and last name. |
| Body | The paragraphs of the letter. |
| Complimentary Closing | A formal "goodbye" after the body of the paragraph. |
| Author | The person who wrote the letter. |
| Author's title | The official title of the author. |
| Reference initials | The two or three-letter acronym of the name of the one who typed the letter. |
| Enclosure notation | A note specifying that additional items have been included with the mailing of the letter. |
| Copy notation | A note signifying that another person will receive a copy of the letter. |
| Block style | All items of the business letter begin at the left margin. |
| Modified block style | All items of the business letter begin at the left margin except the date, complimentary closing, and author's name and title, which are keyed begnning at the center point. |
| Open punctuation | Omit the punctuation following the salutation and complimentary closing. |
| Mixed punctuation | Use punctuation after the salutation and complimentary closing. |