Donation = Current-use gift + Endowment gift
Current-use gift:
The full amount can be spent immediately or within a relatively short period.
Endowment gift:
The original principal is invested and preserved in perpetuity. The recipient only spends a portion of the investment earnings, not the original gift amount.
https://www.thecrimson.com/article/2025/10/17/harvard-financial-report-gifts-2025/