| A | B |
|---|
| Enclosure | Another document or some type of additional information is enclosed along with the letter |
| Vertical centering | Equal top and bottom margins |
| No. 10 | Size of a large-size business envelope |
| USPS style of addressing envelopes | Address with all capital letters without punctuation |
| Modified block style letter | Dateline and closing lines begin at the center point of the paper |
| Open punctuation-style letter | Punctuation marks are omitted after or at the end of the salutation and complimentary close |
| Horizontal centering | Equal side margins |
| 6 | Number of lines in one vertical inch on typing paper |
| Mixed punctuation style letter | Colon follows the salutation and a comma follows the complimentary close |
| Proportionally spaced font | A font that varies the amount of horizontal space used by different characters |
| Reference initials | Initials of typist of the letter |
| Block style letter | Dateline and closing lines begin at the left margin |
| Attachment | Another document or some type of additional information is attached to the letter |
| Carbon Copy (cc) | a copy of the letter is being sent to someone else |
| Blind Carbon Copy (bcc) | a copy of the letter is being sent to someone else without the knowledge of the person the letter is addressed to |
| Mailing Notation | Notation saying how the letter was sent |
| Return address | Address that a response to the letter should be addressed to |
| Inside letter address | Who the letter is addressed to |
| Salutation | Greeting on the letter (ex. Dear) |
| Subject Line | What the letter is about - is a double space below the salutation |
| Complementary Close | Goes below the body of the letter in the closing block (ex. Sincerely) |
| Letterhead | Is at the top of a business letter - includes name and address of the business |
| Personal Business Letter | Letter from a person to a business - is not on letterhead |
| Business Letter | Letter from a Business to a person or a business to a business - is on letterhead |
