| A | B |
| personal business letter | includes return address |
| quadruple space | after date, complimentary close |
| modified block style | indents date, complimentary close, originator's name |
| indented paragraphs | can be in modified block style format |
| open punctuation | no punctuation after salutation/complimentary close |
| date line, salutation, complimentary close | always part of a letter |
| salutation | Dear Mary |
| writer's name | person writing the letter |
| writer's title | after originator's name in business letter |
| two inch top margin | business/personal business letter |
| tab six times | to approximate center of page |
| attachments | attached some way to a letter |
| letter tone | the "voice" of a letter |
| colon, comma | after salutation, complimentary close |
| business letter | begins with the date |
| letterhead | used for a business letter |
| inside address | address of the person getting the letter |
| complimentary close | Sincerely yours |
| return address | address of the originator |
| date line | required in letters, provides legal status |
| block style format | aligns all lines to the left |
| reference initials | always lower case, belong to typist |