9. An electronic device comprising: a touch screen configured to display at least one area partitioned by dotted lines when a character selection occurs, to display a first character at a first area among the displayed at least one area of the touch screen, to display a third character at a second area of the touch screen, and to receive character information, at the first area by the touch screen; and a controller configured to select the first character superimposed on at least part of the character information as a character to be replaced among the first character and the third character based on a position of the character information, and to control the touch screen to display a second character at the first area in accordance with the received character information to replace the first character displayed at the first area.
9. An electronic device comprising: a touch screen configured to display at least one area partitioned by dotted lines when a character selection occurs, to display a first character at a first area among the displayed at least one area of the touch screen, to display a third character at a second area of the touch screen, and to receive character information, at the first area by the touch screen; and a controller configured to select the first character superimposed on at least part of the character information as a character to be replaced among the first character and the third character based on a position of the character information, and to control the touch screen to display a second character at the first area in accordance with the received character information to replace the first character displayed at the first area. 15. The electronic device of claim 9 , wherein the touch screen is further configured to receive the character information using an input tool, said input tool including at least one of a finger and a stylus pen.