The document provides information on various punctuation marks including:
- The colon is used to indicate time and after the salutation in business letters.
- A hyphen links words or parts of words together to form new words.
- A semicolon joins two independent clauses without using a conjunction.
- Italics and underlining are used for titles of books, magazines, and works of art.
- A dash sets off additional information that interrupts the flow of a sentence.