Functionality and Role

noun

• Capable of serving a purpose well.
  • usage: "software with greater functionality"

noun

• The actions and activities assigned to or required or expected of a person or group.
  • usage: "the function of a teacher"; "the government must do its part"; "play its role"
  • synonyms: function, office, part
• An actor's portrayal of someone in a play.
  • usage: "she played the part of Desdemona"
  • synonyms: character, theatrical role, part, persona
• What something is used for.
  • usage: "the function of an auger is to bore holes"; "ballet is beautiful but what use is it"
  • synonyms: function, purpose, use
• Normal or customary activity of a person in a particular social setting.
  • usage: "what is your role on the team"

(n.) A part or character, performed by an actor in a drama; hence, a part of function taken or assumed by any one; as, he has now taken the role of philanthropist.