6. The system of claim 1 , wherein the display serves as a graphical user interface which displays grammar rules of a user-selected text string, and whereby a user selects at least one of the displayed grammar rules associated with a retrieved text string.
6. The system of claim 1 , wherein the display serves as a graphical user interface which displays grammar rules of a user-selected text string, and whereby a user selects at least one of the displayed grammar rules associated with a retrieved text string. 8. The system of claim 6 , wherein when a user selects some of the displayed grammar rules, the processor retrieves text strings from the storage medium which satisfy only the user-selected ones of the displayed grammar rules.