(1) “Alcohol abuse” means a condition characterized by the continuous or episodic use of alcohol that results in social impairment, vocational impairment, psychological dependence or pathological patterns of use;

(2) “Alcoholism” means alcohol abuse that results in the development of tolerance or manifestation of alcohol abstinence syndrome upon cessation of use;

(3) “Drug abuse” means a condition characterized by the continuous or episodic use of a drug or drugs that results in social impairment, vocational impairment, psychological dependence or pathological patterns of use;

(4) “Drug dependence” means drug abuse that results in the development of tolerance or manifestations of drug abstinence syndrome upon cessation of use;

(5) “Indigent person” means a person whose income or resources are determined to be insufficient to pay for needed alcohol and drug abuse services as determined by the department;

(6) “Maintenance” means the cost of all institutional and professional services received by a patient or resident;

(7) “Resident of Tennessee” means an individual who has lived continuously in Tennessee for a period of sixty (60) days and who has not acquired residence in another state by living continuously in another state for at least sixty (60) days subsequent to residing in Tennessee. Time spent in a public institution for the care of the mentally ill or for the intellectually disabled, or on leave of absence from the institution, shall not be counted in determining the question of residence in Tennessee or in another state; and

(8) “Treatment resource” means any public or private facility, service, or program providing treatment or rehabilitation services for alcohol and drug dependence, mental illness or serious emotional disturbance, including, but not limited to, detoxification centers, licensed hospitals, community mental health centers, clinics or programs, halfway houses and rehabilitation centers. This does not include any entity otherwise licensed by the department of health.