File: A structured collection of customer records.
Flash count: Report that summarizes the results of a mailing over a given period of time, usually by response rate and average gift.
Former donor: Someone who has not made a donation for 24 months or longer. Not to be confused with a Lapsed Donor.
Frequency: The number of times a donor has given a donation within a given time frame.
Front end: All the activities (writing, designing, printing, mailing) necessary to generate a gift by mail.
Front-End Premium: An item (such as return address labels) offered to a donor in a direct mail package, usually at no charge, to encourage them to make a donation.
Fulfillment rate: The percentage of people who give a donation after pledging to do so, usually following a telephone solicitation that requests pledges instead of immediate cash gifts.
Fundraising ratio: The ratio used to gauge the cost-effectiveness of fundraising campaigns and programs, usually expressed as the ratio of cost to revenue or cost to raise a dollar.