As used in this chapter, unless otherwise provided or indicated by the context—
(4)
the term “function” includes any duty, obligation, power, authority, responsibility, right, privilege, activity, or program;
(6)
the terms “private” and “private educational” refer to independent, nonpublic, and private institutions of elementary, secondary, and postsecondary education; and
(Pub. L. 96–88, title I, § 104, Oct. 17, 1979, 93 Stat. 671; Pub. L. 101–509, title V, § 529 [title I, § 112(a)(3)(A)], Nov. 5, 1990, 104 Stat. 1427, 1454.)