(1) "Large subscriber group" means a group of 10,000 or more subscribers.

    (2) "Medium subscriber group" means a group of 150 or more subscribers, but less than 10,000 subscribers.

    (3) "Member", except as used in parts 2 and 3, means a subscriber, a dependent of a subscriber, or any other individual entitled to receive health care benefits under a nongroup or group certificate.

    (4) "Nongroup subscriber" means an individual subscriber who is not enrolled as a subscriber through any subscriber group.

    (5) "Objectives" means an expected achievement level by a health care corporation of the goals provided in section 504, for a provider class. Insofar as is reasonably practicable, objectives shall be capable of quantitative measurement.