THE DASH [ — ]

Punctuation used to denote a sudden change or break in a sentence, e.g. He was gone — heaven forbid — for an hour and no one knew where he was. Spaces may or may not be added before or after a dash, but the use of spaces must be consistent. Do not combine a dash with a colon, comma, or semicolon. Apply the following rules when using the dash:

To begin, find out about the purposes for which the dash is used. Click on a link below to read the rules and see examples, take a guided tour by clicking the 'start' button below.