Try out these on-chart interactions:

Click i if you need additional help with the task

• Click on any slice to drill down
  i

  Welcome, You have arrived.
  Congratulations.

• Click the center to drill up
  i

  Welcome, You have arrived.
  Congratulations.

• Click on the "others" slice to see its contents
  i

  Welcome, You have arrived.
  Congratulations.