<P>PROBLEM TO BE SOLVED: To provide an electronic dictionary system capable of allowing a person to easily confirm the overall relativity of a desired word with a word of adjacent concept. <P>SOLUTION: In this electronic dictionary system having a tree structure, and its output, all of words on the dictionary have the tree structure, the desired word is represented by the tree structure, or a specific color allocated by the tree structure, the meaning of the word can be easily visually understood with the overall relativity with the adjacent words and the like, and an inputted sentence can be represented in a flow of specific color and the like representing the desired fundamental conception. <P>COPYRIGHT: (C)2003,JPO 
ELECTRONIC DICTIONARY SYSTEM HAVING TREE STRUCTURE, ITS OUTPUT AND RECORDING MEDIUM