Group of letters and/or numbers, colors, or other markings, used to measure the specific effectiveness of media, lists, advertisements, offers, etc.
Numbers or letters that appear on a label, order form, or TV/radio tag, which indicate the source of the name or segmentation.
A group of letters and, or numbers, colors or other markings used to measure specific effectiveness of lists, direct response ads, offers, etc.
A group of letters or numbers (or combination of letters and numbers), colours or other marks, usually placed on order forms or reply cards, to help mailers measure the effectiveness of their mailing lists, offers, creative, timing and other variables.
Numbers or letters on a label or order form which indicate a source of that name or segmentation for a mailing.