duty

definition: work that you are obliged to perform for moral or legal reasons
example:
speech part: noun
synonyms:
definition: the social force that binds you to the courses of action demanded by that force
example: we must instill a sense of duty in our children
speech part: noun
synonyms: responsibility obligation
definition: a government tax on imports or exports
example:
speech part: noun
synonyms:

duty is explained and pronounced

How duty is being used?