Benefits of wealth, in economics

• Interest paid on borrowed money
• Bill-payment period
• Income from wealth ownership
• Proper attitude when time has passed for agreed period of exchange
• Deferred payment term
• Shylock's interest
• Customary bill-payment time

Wiktionary Word definitions in Wiktionary
n. 1 The length of time permitted for the payment of a bill of exchange. 2 use. 3 customary or habitual usage. 4 The interest payed on a borrowed sum, usury.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Usance \Us"ance\, n. [F. See Use , v. t.] Use; usage; employment. [Obs.] --Spenser. Custom; practice; usage. [Obs.] --Gower. Chaucer. Interest paid for money; usury. [Obs.] --Shak. (Com.) The time, fixed variously by the usage between different countries, ...