16. The method according to claim 14 , which further comprises: for each user-recognized Chinese radical, defining a keyword corresponding to a selected definition of the user-recognized Chinese radical from a range of more than one definition for that user-recognized Chinese radical and defining a bridge corresponding to two letters within the keyword; storing the source with the two letters in upper case; storing a variation of the source having at least one of the two letters in lower case; and storing the variation of the source as an association of the at least one icon.
16. The method according to claim 14 , which further comprises: for each user-recognized Chinese radical, defining a keyword corresponding to a selected definition of the user-recognized Chinese radical from a range of more than one definition for that user-recognized Chinese radical and defining a bridge corresponding to two letters within the keyword; storing the source with the two letters in upper case; storing a variation of the source having at least one of the two letters in lower case; and storing the variation of the source as an association of the at least one icon. 18. The method according to claim 16 , which further comprises: defining the at least one icon to be three icons; storing the source with the two letters of the bridge in upper case; storing three variations of the source having: a first letter in upper case and a second letter in lower case; the first letter in lower case and the second letter in lower case; and the first letter in lower case and the second letter in upper case; and storing the three variations of the source as an association of a respective one of the three icons.