10. A graphical user interface on an electronic device with a display, a memory, and one or more processors to execute one or more programs stored in the memory, the graphical user interface comprising: at least a portion of an electronic document at a first magnification level; wherein: an input indicating a point within an object in the document is detected; and in response to detecting the input: in accordance with a determination that the object includes respective editable text: a second magnification level different from the first magnification level is selected, wherein the second magnification level is selected so as to display the respective text at a target text display size; and the document is displayed at the second magnification level; and in accordance with a determination that the object does not include editable text: a third magnification level different from the second magnification level is selected, wherein the third magnification level is selected so as to display the object at a target object display size; and the document is displayed at the third magnification level.
10. A graphical user interface on an electronic device with a display, a memory, and one or more processors to execute one or more programs stored in the memory, the graphical user interface comprising: at least a portion of an electronic document at a first magnification level; wherein: an input indicating a point within an object in the document is detected; and in response to detecting the input: in accordance with a determination that the object includes respective editable text: a second magnification level different from the first magnification level is selected, wherein the second magnification level is selected so as to display the respective text at a target text display size; and the document is displayed at the second magnification level; and in accordance with a determination that the object does not include editable text: a third magnification level different from the second magnification level is selected, wherein the third magnification level is selected so as to display the object at a target object display size; and the document is displayed at the third magnification level. 12. The graphical user interface of claim 10 , wherein the object display size is a display size where the object is displayed at a predefined size with reference to a displayed area of the document on the display.