Usance refers to the utilization of economic goods to satisfy needs. In manufacturing, "usance" means "inputs." It is used in "usance bills."
In
medieval banking, "usance" denoted the period of time, set by custom, before a
bill of exchange
A negotiable instrument is a document guaranteeing the payment of a specific amount of money, either on demand, or at a set time, whose payer is usually named on the document. More specifically, it is a document contemplated by or consisting of a ...
could be redeemed at its destination.
References
Manufacturing
History of banking
Medieval economic history
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