The user interface of Endeavour is composed of the utility pane on the left and the tasks in lists on the right. You can let you show your tasks in different modes. They can be selected through the utility pane.

Inbox contains all tasks which have no date assigned to them and are not in a task list,

Today all tasks with the date of today and Next 7 Days all tasks assigned to one of the next seven days.

All shows all tasks in a chronological order and Archived archived task lists. At last there are also your custom task lists