An en dash is the width of the letter "n" and is expressed in plain text as a hyphen ( - ). A traditional use of the en dash is in dates (2012-13), but since it is largely indistinguishable from a ...

They're not the same thing at all. In fact they're really quite different. A hyphen is used to join two words together that describe a noun. They help us avoid confusion when writing sentences.

They're not the same thing at all. In fact they're really quite different. A hyphen is used to join two words together that describe a noun. They help us avoid confusion when writing sentences.