Specify RE fields you would like to see on the list. If you want to send your mailing to donors, resident family members, but want to prioritize your donors you might fill it out this way:
Field 1: "Total donations for FY2018-2019", Segment: 1;
Field 2 would be "Total donations for FY2017-2018", Segment: 2;
Field 3 might be: "Current Resident Family Members", Segment: 3;
Field 4 might be: chapel donations from January 2017, Segment 4.