| 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 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 |
| complimentary closing | examples: sincerely, truly yours, in regards |
| salutation | greeting: To Whom it May Concern, Dear, Ladies and Gentlemen |
| inside address | the address of the person receiving the letter |
| 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 |