If we were writing, we'd use commas, parentheses, or even dashes to separate this additional information and mark it off as an independent thought group.
Yes, almost. But before we go, here's today's top tip for learning vocabulary: if you use an online dictionary, type a hyphen or a dash into the search box, and then type in any of today's suffixes.
Invented by Captain Charles Barbier, it was a system of embossed dots and dashes that soldiers could read safely with their fingers on the battlefield at night.
Every night after that he would come over and sit with me, and he would teach me what a comma is and why it exists, what periods are, what colons are, what dashes are.
The En Dash is shorter in length and can be used to represent spans of time or ranges in numbers, or to show a connection or create compound adjectives.