Dash [-]
1. Use a dash before a phrase that summarizes the idea of a sentence.
Mild, wet, and cloudy - these are the characteristics of weather in Vancouver.
2. Use a dash before and after a phrase or list that adds extra information in the middle of a sentence.
The children - Pierre, Laura, and Ashley - went to the store.
Most Canadians - but not all - voted in the last election.
3. Use a dash to show that someone has been interrupted when speaking.
The woman said, "I want to ask - " when the earthquake began to shake the room.
Hyphen [-]
1. Use a hyphen to join two words that form one idea together.
sweet-smelling
fire-resistant
2. Use a hyphen to join prefixes to words.
