Sec. 3892.001. DEFINITIONS. In this chapter: (1) "Board" means the board of directors of the district. (2) "Director" means a board member. (3) "District" means the Harris County Improvement District No. 21. Added by Acts 2009, 81st Leg., R.S., Ch. 1101 (H.B. 4828), Sec. 1, eff. June 19, 2009.