Which term is used to refer to a formal, impersonal group in which there is little social intimacy or mutual understanding? primary group secondary group tertiary group reference group?

Which term is used to refer to a formal, impersonal group in which there is little social intimacy or mutual understanding? tertiary group

Hope: trust vs. mistrust (oral-sensory, infancy, 0–2 years)Will: autonomy vs. shame and doubt (early childhood, 2–4 years)Purpose: initiative vs. guilt (locomotor-genital, preschool, 4–5 years)Competence: industry vs. inferiority (latency, school age, 5–12 years)