Write a dot next to things that you need to do. Draw an x over the dot to mark to-dos that are complete. Write the less-than symbol (<) over the dot to show that a task has been scheduled, or write the greater-than symbol (>) over it to show that the task has been migrated—aka you didn’t finish it today/this week/this month, so you moved it to another day’s/week’s/month’s list.

