| 摘要 |
A multifunction device displays a view of a top level of a hierarchical user interface. The hierarchical user interface has a plurality of levels including the top level and one or more lower levels. In response to detecting a first input, the device displays a view of at least one of the lower levels and at least a predefined portion of the view of the top level. While displaying a view of a respective lower level and concurrently displaying at least the predefined portion of the view of the top level, the device detects a second input. When the second input corresponds to a request to enter a content modification mode for the respective lower level, the device enters the content modification mode for the respective lower level and ceases to display the predefined portion of the view of the top level.
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