package code

Code used in direct marketers' customer records to identify a particular mailing package so that response to the package can be tracked. Package codes are especially important when testing a new package against a control package, so that response to each promotion can be compared. See also homogenization; key code; package test.

Identification used by direct marketers to track a particular mailing package. Package codes are important when testing a new package against a control package, so that response to each promotion can be compared.