(a) In this section:
(1) "Payment" means a payment that a trustee may receive over a fixed number of years or during the life of one or more individuals because of services rendered or property transferred to the payer in exchange for future payments. The term includes a payment made in money or property from the payer's general assets or from a separate fund created by the payer. For purposes of subsections (d), (e), (f), and (g), the term also includes any payment from any separate fund, regardless of the reason for the payment.