9. The method of claim 8 , wherein associating the first portion in the first line of text and associating the second portion located in the second line of text comprises mapping each of the plurality of text units to a detection point of the touch-sensitive display.
10. The method of claim 9 , further comprising receiving an indication of a user contact with a portion of the touch-sensitive display wherein receiving the indication of the user contact with the portion of the touch-sensitive display comprises receiving the indication of the user contact at the detection point of the touch-sensitive display mapped to the portion of the text.