; (B) increase the affordability of housing in the area; and (C) reduce barriers to housing development in the area. (5) Implementation grant The term implementation grant means a grant awarded under subsection (c). (6) Indian Tribe The term Indian Tribe has the meaning given the term in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 ). (7) Native Hawaiian organization The term Native Hawaiian organization has the meaning given the term in section 2 of the Native American Graves Protection and Repatriation Act ( 25 U.S.C. 3001 ). (8) Planning grant The term planning grant means a grant awarded under subsection (b). (9) Secretary The term Secretary means the Secretary of Housing and Urban Development, acting through the Assistant Secretary for Community Planning and Development, in coordination with— (A) the Office of Economic Resilience of the Office of Community Planning and Development of the Department; (B) the Office of Policy Development and Research of the Department; (C) the Office of Fair Housing and Equal Opportunity of the Department; (D) the Office of Housing of the Department