The concept of expressiveness as used by talcott parsons and robert bales refers to

The answer would be:. an emphasis on tasks, a focus on more distant goals, and a concern for the external relationship between one's family and other social institutions.

According to them, expressiveness refers to someone's tendency to openly pursuing their own life dreams that derive from each unique individuals. This life dreams could take in various forms, whether it's career, relationship, or societal status.