Dashes (also known as em dashes) can be used instead of commas, colons, semicolons, and parentheses.
- Olivia—who had just bought a new car—drove us to the supermarket.
- When Marcus got home, he ordered his favorite food—pepperoni pizza.
- Whenever he feeds the homeless—and there are lots of homeless people in San Diego—he brings them fresh fruit.
- Jose loves avocados—he plans to plant an avocado tree in his backyard.