Have you seen all seven before? These strange punctuation marks once served a purpose, and can again!

THE DOG’S BOLLOCKS

When your sentence says, “I’m about to say something,” and then you say that thing, we have a way of separating the two halves of the sentence: a colon. We also have an alternative way of separating the two—a dash. In previous times, people would sometimes combine the two :— they’d use a colon and a dash together.