Galley list — A page print out for the purpose of prospecting. The format often contains other information, captured by the list owner, than would be put on mailing labels such as phone numbers and credit rating.

Gender select — The identifiable male or female portion of a list that can be separated out from the total. Selecting by gender enables a mailer whose promotion appeals to one sex to improve rates of response to a mailing.

Geographic selects — In lists, choosing a group of names based on regions. This could be done by selecting State, SCF, ZIP code or other computer fields of information to narrow down to a specific area.

Gift buyer — A type of list, or segment, made up of people who bought gifts for others. Certain lists consist of both those who have paid for and those who received a product.

Guarantee of payment — An alternative to prepayment in which the list owner requires the list user to sign a letter stating payment will be made within a specified time after the mail date.

Gummed labels — The predecessor to pressure-sensitive labels which required dampening before adhering.