obligation

definition: the social force that binds you to the courses of action demanded by that force
example:
speech part: noun
synonyms: duty
definition: a legal agreement specifying a payment or action and the penalty for failure to comply
example:
speech part: noun
synonyms:
definition: a written promise to repay a debt
example:
speech part: noun
synonyms: debt instrument certificate of indebtedness
definition: a personal relation in which one is indebted for a service or favor
example:
speech part: noun
synonyms: indebtedness
definition: the state of being obligated to do or pay something
example: They are under an obligation to finish the job.
speech part: noun
synonyms:

obligation is explained and pronounced

How obligation is being used?