| A | B | 
| business letter | a letter written by an individual representing a business firm | 
| personal-business letter | a letter written by an individual representing himself or herself | 
| block style formatting | all parts of the letter begin at the left margin | 
| return address | the address of the person writing the letter and is keyed above the date | 
| reference initials | the initials of the person keying the letter | 
| writer's identification (business letter) | the typed name and title of the person signing the letter | 
| complimentary closing | examples:  sincerely, truly yours, in regards | 
| salutation | greeting:  To Whom it May Concern, Dear, Ladies and Gentlemen | 
| title line (part of the writer's ID) | the position of the person writing the letter | 
| letter address | the address of the person receiving the letter | 
| quadruple space | four enters after the date and closing | 
| double space | after each part except between the signature line and the title line | 
| 2 inches (sometimes 2.5) | the standard amount of space from the top of the page | 
| letterhead | A place on the letter than ususally includes  a company's name or a person's name and the address.  Also, it usually includes phone numbers. | 
| date line | the month, day, and year (the first line of a letter) | 
| body | the part of the letter that contains the message of the letter | 
| signature | hand written on the letter by the writer of the letter | 
| writer's identification (p-b letters) | the typed name of the person signing the letter | 
| enclosure notation | typed after the reference initials to let the reader know other items are included with the letter | 
| Open Punctuation | No punctuation after the salutation or closing |