1. Urgent and important
   1. Hire new project manager.
   2. Send quotation for project X.
   3. Set up the kick-off meeting.
   4. Tax deadline.
   5. ...
2. Important but not urgent
   1. UK visit
   2. Yearly plan.
   3. Exercising
   4. Preparation for John's birthday party.
   5. ...
3. Urgent but not important
   1. Scheduling interviews.
   2. Booking flights.
   3. Answering certain emails.
   4. ...
4. Neither urgent nor important
   1. Checking social media.
   2. Playing video games.
   3. Online shopping.
   4. ...