1. An electronic device, comprising: a touch screen display; one or more processors; memory; and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for: displaying at least a portion of a structured electronic document on the touch screen display, wherein the structured electronic document comprises a plurality of boxes of content and the displayed portion includes at least a first box of content and a second box of content, the first box of content being displayed at a location on the touch screen display that is separate from a location of the second box of content; detecting a first gesture at a location on the displayed portion of the structured electronic document; and in response to detecting the first gesture: in accordance with the first gesture being located at the first box of content in the plurality of boxes of content, enlarging and translating the structured electronic document so that the first box of content is displayed on the touch screen display and the second box of content is not displayed on the touch screen display; in accordance with the first gesture being located at the second box of content in the plurality of boxes of content, enlarging and translating the structured electronic document so that the second box of content is displayed on the touch screen display and the first box of content is not displayed on the touch screen display.
1. An electronic device, comprising: a touch screen display; one or more processors; memory; and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for: displaying at least a portion of a structured electronic document on the touch screen display, wherein the structured electronic document comprises a plurality of boxes of content and the displayed portion includes at least a first box of content and a second box of content, the first box of content being displayed at a location on the touch screen display that is separate from a location of the second box of content; detecting a first gesture at a location on the displayed portion of the structured electronic document; and in response to detecting the first gesture: in accordance with the first gesture being located at the first box of content in the plurality of boxes of content, enlarging and translating the structured electronic document so that the first box of content is displayed on the touch screen display and the second box of content is not displayed on the touch screen display; in accordance with the first gesture being located at the second box of content in the plurality of boxes of content, enlarging and translating the structured electronic document so that the second box of content is displayed on the touch screen display and the first box of content is not displayed on the touch screen display. 10. The device of claim 1 , wherein the displayed portion of the structured electronic document before said detecting of the first gesture comprises a third box of content displayed adjacent to the first box of content in a different location on the touch screen display to the second box of content, the one or more programs further including instructions for, in response to detecting the first gesture when the first gesture is located at the first box of content, enlarging and translating the structured electronic document so that a portion of the third box of content is displayed on the touch screen display.