| A | B |
| block style | all parts of a letter begin at the left margin |
| body | the message of the letter, in paragraph form |
| business letter | a letter written by an individual representing a company |
| complimentary closing | a formal "goodbye" after the body of the letter (Sincerely, Cordially, Very Truly Yours) |
| dateline | displays the month, day and year the letter was keyed |
| enclosure notation | keyed below the reference initials or writer's name to indicate other items are included with the letter |
| inside/mailing address | the name/title/address of the person receiving the letter |
| mixed punctuation | use a colon after the salutation and a comma after the closing |
| open punctuation | no punctuation used after the salutation or closing |
| return address | the address of the person writing a letter (may be included in letterhead) |
| salutation | a formal greeting consisting of the receiver's title and last name or their first name |
| signature | the writer's cursive, hand-written name, below the complimentary closing |
| writer's ID | the typed name [and title] of the person signing a Business letter |
| Letterhead | The stationery used to print a letter containing name, logo, address, phone number, web info, and slogan |
| United States Postal Service | federal organization that distributes mail in the US |
| Reference Initials | initials of person who types a letter (in place of the writer) |