; (2) maintain and strengthen their distinct institutions of higher education through the teaching of the Navajo language, culture, traditions, and history; and (3) improve their economic and social conditions through higher education and postsecondary vocational training. 4. Definitions In this Act: (1) Appropriate committees of Congress The term appropriate committees of Congress means— (A) the Committee on Indian Affairs and the Committee on Appropriations of the Senate; and (B) the Committee on Natural Resources, the Committee on Education and the Workforce, and the Committee on Appropriations of the House of Representatives. (2) College The term College means Diné College. (3) Operation and maintenance The term operation and maintenance means all costs and expenses associated with the customary daily operation of the Diné College and necessary maintenance costs. (4) Infrastructure The term infrastructure means Diné College buildings, water and sewer facilities, roads, foundation, information technology, and telecommunications, including classrooms and external matters such as walkways. (5) Renovations and repairs The term renovations and repairs means modernization and improvements to the infrastructure. (6) Secretary The term Secretary means the Secretary of the Interior. 5. Authorization of Diné College Congress authorizes the Diné College to receive all Federal funding and resources under this Act and other laws for its operation, improvement, and growth, including— (1) to provide programs of higher education for citizens of the Navajo Nation and others; (2) to provide vocational and technical education for citizens of the Navajo Nation and others; (3) to preserve and protect the Navajo language, philosophy, and culture for citizens of the Navajo Nation and others; (4) to provide Navajo communities and people with employment and training opportunities; (5) to provide economic development and community outreach for Navajo communities and people