While no answer has been accepted as correct, a leading theory is that the code indicates the initial letters of words.

Ms. Fields said the code assigned to the apartment actually indicated that his wife, who was not home, would be the participant.

The code in the corner indicated that the subscription would terminate the following April.

Defensive formations are often known by a numerical code indicating the number of players at each position.

The numbered codes on the bottles indicated that they had been part of a shipment to China.

The only other information consisted of codes indicating which gates had been passed through and the conditions found on the other side.

Sometimes accompanied by codes indicating the quantity printed, month/year of printing and an internal control number.

The codes indicate the free trade agreements or tariff preference programs for which the Special rates are applicable.

The marks are a universal code indicating when the medallion was made, where, and by whom.

The wife tapped her husband's elbow in that marital code indicating cease-and-desist.