As used in this act:

    (a) "Departments" means the department of community health, the department of human services, and the department of education.

    (b) "Evidence-based program" means a home visitation program described in section 3.

    (c) "Home visitation" means a voluntary service delivery strategy that is carried out in relevant settings, primarily in the homes of families with children ages 0 to 5 years and pregnant women.

    (d) "Home visiting system" means the infrastructure and programs that support and provide home visitation.

    (e) "Promising program" means a home visitation program described in section 3.