The Tabs Tab lets you:
This tab contains the following icons:
Goes forward or selects the current item which lets you view or edit it.
If JavaScript is disabled, click this button and select an option from the drop down list.
Goes back or undo a previous selection.
Inserts an element, such as a task or rule.
Deletes the current task or, in a rule, the expression that follows.
Moves the current item up in the list.
Moves the current item down in the list.