This field would display the total contributions made by the contact PLUS related contacts in the calendar year before the previous calendar year. Thus it's identical to 'Combined contact & related contact contributions last calendar year' except that the period is one year earlier.
This field would display the total contributions made by the contact PLUS related contacts in the calendar year before the previous calendar year. Thus it's identical to 'Combined contact & related contact contributions last calendar year' except that the period is one year earlier.