14. A text input system, comprising: a text prediction component for predicting candidate words in accordance with a current text context; a display screen for displaying the predicted candidate words; a data entry device having a navigational input device for selecting a direction to move a cursor on the display screen, the navigational input device being one of a rocker, a D-Pad or cursor keys mounted on an input section of the text input device; and a processor receiving data from the data entry device upon actuation of the navigational input device; wherein the processor arranges at least four candidate words on the display screen in four different directions that reflects respective selectable directions of the navigational input device, and the processor selects one of the at least four candidate words upon displacement of the navigational input device in one of the four different directions.
14. A text input system, comprising: a text prediction component for predicting candidate words in accordance with a current text context; a display screen for displaying the predicted candidate words; a data entry device having a navigational input device for selecting a direction to move a cursor on the display screen, the navigational input device being one of a rocker, a D-Pad or cursor keys mounted on an input section of the text input device; and a processor receiving data from the data entry device upon actuation of the navigational input device; wherein the processor arranges at least four candidate words on the display screen in four different directions that reflects respective selectable directions of the navigational input device, and the processor selects one of the at least four candidate words upon displacement of the navigational input device in one of the four different directions. 19. The device according to claim 14 , comprising a word dictionary for storing possible candidate words, wherein the prediction component calculates prediction scores for the candidate words to succeed the present text context.