Create and modify task types: Task, Userstory, Bug, Issue and Deliverable.
From navigation menu go to: Task > My tasks
Click on a task to open its task card
Click on Task ⋎ beside the task number at the top of the task card
Select desired type between User story, Bug, Task and Issue
The task icon on your task list will be changed to reflect the task type
To select type when creating a task click the ⋎ icon next to New task +
Select the desired task type from the drop down menu: User story, Bug, Issue and Deliverable
Then proceed to entering the details on the task card