As used in this article:
(a) “Service provider” means any public or private nonprofit agency which provides service directly to categorical populations.
(b) “Consolidated program” means any program which the state has the option to fund with the block grant.
(c) “Categorical populations” means those recipients of services provided pursuant to a program listed in Section 16366.4.
(d) “Block grant funds” shall have the same meaning as defined in federal law in existence on January 1, 1982.