On a text display screen displayed on a touch panel color display unit, after a plurality of desired words are specified by a touch operation and it is detected that the touched points are moved downward, an example sentence including each of the specified words is searched for in dictionary data corresponding to the character type of each of the words, and displayed. When it is detected that the touched points are moved upward, a phrase including each of the specified words is searched for in the dictionary data corresponding to the character type of each of the words, and displayed.
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