9. The system of claim 8 wherein said computer program includes a weighting system for prioritizing the desired code of the several forms of each of the one or more articles of a desired sign in accordance with the importance of each of the said several forms in the desired sign from the most important to the least important, and wherein said computer program searches the stored codes for the most important desired code and causes image sign signals to be displayed in which the signs are displayed ranked with from the the closest match to the desired code in priority decreasing toward the least important.
10. The system of claim 9 wherein said stored code is concantenated into a numerical vector.