Definition.com
The Dash is the phonetic full stop of words, just as the syllable is the comma of words.
Trivia.com
There are three types of dashes. A hyphen (-) connects compound works, like Anglo-Saxon. The En-Dash (–) is used when showing a type of distance or range, like Mon–Fri. The Em-Dash (—) is used to add a thought into a sentence.