Desktop #
Click To-Do and you will go to the to-do page. To-dos are divided into several groups.
Attention: High-priority tasks
Starred: Tasks that you have starred
Processed: Completed tasks
Created: Tasks you created
Followed: Tasks with you as a follower. You may not need to do the task but you have to keep an eye on it.
Later: The task you received and you marked as Later, which means you will process it later but not the time when you receive it.
Mobile #
Tap To-do and you will enter the to-do page. The groups are the same as it on computers.