1. A computer readable storage medium having stored thereon an information processing program for causing a computer, connected to display means, coordinate set input means for inputting a coordinate set input instruction from a user, entry word data storage means for storing entry word data including a plurality of entry words, and explanation data storage means for storing explanation data associated with each of the plurality of entry words, to function as: first display control means for displaying, in an entry word candidate display area, a part of the plurality of entry words included in the entry word data; entry word change operation detection means for determining at least one of (a) whether or not a slide operation has been performed in the entry word candidate display area and (b) whether or not a long push operation has been performed in the entry word candidate display area, based on an output signal from the coordinate set input means, and detecting an entry word change operation by the user based on the determination result; second display control means for, when the entry word change operation by the user is detected by the entry word change operation detection means, erasing at least one entry word displayed in the entry word candidate display area and displaying a new entry word; and third display control means for, when the coordinate set input instruction is terminated on an entry word displayed in the entry word candidate display area based on an output signal from the coordinate set input means, reading the explanation data corresponding to the entry word and displaying an explanation of the entry word on the display means under a condition that no new entry word has been displayed by the second display control means at least in a time period from a start of the coordinate set input instruction until a termination thereof.
1. A computer readable storage medium having stored thereon an information processing program for causing a computer, connected to display means, coordinate set input means for inputting a coordinate set input instruction from a user, entry word data storage means for storing entry word data including a plurality of entry words, and explanation data storage means for storing explanation data associated with each of the plurality of entry words, to function as: first display control means for displaying, in an entry word candidate display area, a part of the plurality of entry words included in the entry word data; entry word change operation detection means for determining at least one of (a) whether or not a slide operation has been performed in the entry word candidate display area and (b) whether or not a long push operation has been performed in the entry word candidate display area, based on an output signal from the coordinate set input means, and detecting an entry word change operation by the user based on the determination result; second display control means for, when the entry word change operation by the user is detected by the entry word change operation detection means, erasing at least one entry word displayed in the entry word candidate display area and displaying a new entry word; and third display control means for, when the coordinate set input instruction is terminated on an entry word displayed in the entry word candidate display area based on an output signal from the coordinate set input means, reading the explanation data corresponding to the entry word and displaying an explanation of the entry word on the display means under a condition that no new entry word has been displayed by the second display control means at least in a time period from a start of the coordinate set input instruction until a termination thereof. 19. A computer readable storage medium according to claim 1 , wherein: the information processing program further causes the computer to function as search data input means for inputting search data based on an input operation by the user; and the entry word data includes the plurality of entry words which are sequentially ordered from a first entry word to a final entry word; and the first display control means specifies one entry word corresponding to the search data from the plurality of entry words and displays the one corresponding entry word and at least one entry word subsequent to the one corresponding entry word.