The article describes possible actions with tasks.
There are five types of actions: Duplicate, Archive, Delete, Snooze and Finish. You can perform these actions with tasks from 3 places:
by hovering over a task
by opening the Edit mode
by multi-selecting tasks
Click the Duplicate button to create an exact copy of the existing task.
Click the Snooze button if you want to delay the task for another 24 hours.
You can archive the task by clicking the Archive button. You can view archived tasks by selecting the Archived filter.
Click the Finish button when you consider the task done. The task changes its color to blue and acquires the Finished state. You cannot edit finished tasks.
Click the Delete button if you want to delete the task permanently.