A method comprising: at an electronic device with one or more processors and memory: while a respective object (606-1, 606-2, 606-3, 606-4), of a plurality of selectable user interface objects displayed in a user interface on a display, has focus, detecting a touch input on a touch-sensitive surface of an input device, wherein detecting the touch input includes detecting touchdown of a contact on the touch-sensitive surface; and after detecting the touchdown of the contact: in accordance with a determination that the touch input comprises the touchdown of the contact followed by liftoff of the contact within a first time threshold, and movement of the contact is less than a threshold amount of movement, initiating an operation to display, on the display, content associated with the respective object (606-1, 606-2, 606-3, 606-4); and in accordance with a determination that the touch input comprises the touchdown of the contact followed by the movement of the contact that is greater than the threshold amount of movement within the first time threshold, initiating an operation to display, on the display, a change in an appearance of the respective object (606-1, 606-2, 606-3, 606-4) to indicate that continued movement of the contact will result in changing focus to a different object of the plurality of selectable user interface objects in the user interface displayed by the display. while a respective object (606-1, 606-2, 606-3, 606-4), of a plurality of selectable user interface objects displayed in a user interface on a display, has focus, detecting a touch input on a touch-sensitive surface of an input device, wherein detecting the touch input includes detecting touchdown of a contact on the touch-sensitive surface; and after detecting the touchdown of the contact: in accordance with a determination that the touch input comprises the touchdown of the contact followed by liftoff of the contact within a first time threshold, and movement of the contact is less than a threshold amount of movement, initiating an operation to display, on the display, content associated with the respective object (606-1, 606-2, 606-3, 606-4); and in accordance with a determination that the touch input comprises the touchdown of the contact followed by the movement of the contact that is greater than the threshold amount of movement within the first time threshold, initiating an operation to display, on the display, a change in an appearance of the respective object (606-1, 606-2, 606-3, 606-4) to indicate that continued movement of the contact will result in changing focus to a different object of the plurality of selectable user interface objects in the user interface displayed by the display. in accordance with a determination that the touch input comprises the touchdown of the contact followed by liftoff of the contact within a first time threshold, and movement of the contact is less than a threshold amount of movement, initiating an operation to display, on the display, content associated with the respective object (606-1, 606-2, 606-3, 606-4); and in accordance with a determination that the touch input comprises the touchdown of the contact followed by the movement of the contact that is greater than the threshold amount of movement within the first time threshold, initiating an operation to display, on the display, a change in an appearance of the respective object (606-1, 606-2, 606-3, 606-4) to indicate that continued movement of the contact will result in changing focus to a different object of the plurality of selectable user interface objects in the user interface displayed by the display.