| 摘要 |
A method includes displaying, on a touch-sensitive display of an electronic device, a first set of selection items in a navigational tool bar and a first arrangement of information associated with a first level of an application, in response to detection of an input to display information associated with a second level of the application when the electronic device is in the first level, displaying a second set of selection items in the navigational tool bar and information associated with the second level, wherein the second set of selection items includes a first back navigation item, and in response to detecting selection of the first back navigation item, navigating from the second level of the application to the first level of the application.
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