The Tasks Tab allows you to manipulate the Tasks that are defined in the Workspace as well as the Actions within those Tasks.
The allows you to add a Task to the list of Tasks.
The allows you to remove a Task from the list of Tasks.
The allows you to move Tasks up and down the list of Tasks.
The allows you to copy Tasks that are already in the Task Tab.
The allows you to execute tasks available in the Task Tab.
The allows you to rename a Task in the Task Tab.
To select a Task, simply click a task in the Task Tab, and all the actions in the Task will be displayed.
The allows you to add an action to the selected Task.
The allows you to remove an action from Task.
When removing an action, the above dialog with appear to confirm its deletion, this is to prevent accidentally removing an action.
To move actions, they can be dragged and dropped into the order you want.
To clone actions you hold the ctrl button when dragging an action, it will then clone an action instead of moving it.