role

definition: the actions and activities assigned to or required or expected of a person or group
example:
speech part: noun
synonyms: function
definition: normal or customary activity of a person in a particular social setting
example: what is your role on the team?
speech part: noun
synonyms:
definition: what something is used for
example:
speech part: noun
synonyms: use
definition: an actor's portrayal of someone in a play
example:
speech part: noun
synonyms: character persona theatrical role part

role is explained and pronounced

How role is being used?