debt

n. obligation, something owed (as in money)

Debt is that which is owed; usually referencing assets owed, but the term can cover other obligations. In the case of assets, debt is a means of using future purchasing power in the present before a summation has been earned. Some companies and corporations use debt as a part of their overall corporate finance strategy.
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Debt something owed. oxygen debt the oxygen that must be used in the oxidative energy processes after strenuous exercise to reconvert lactic acid [more]Debt - Community and Resources

Noun
1. the state of owing something (especially money); "he is badly in debt"
(hypernym) indebtedness, liability, financial obligation
2. money or goods or services owed by one person to another
(hypernym) liabilities
(hyponym) arrears
3. an obligation to pay or do something
(hypernym) obligation

(n.)
That which is due from one person to another, whether money, goods, or services; that which one person is bound to pay to another, or to perform for his benefit; thing owed; obligation; liability.
  

(n.)
An action at law to recover a certain specified sum of money alleged to be due.
  

(n.)
A duty neglected or violated; a fault; a sin; a trespass.