In this subtitle the following words have the meanings indicated. “Board” means the Board of Public Works. “Costs” means the costs of acquisition, improvement, development, rehabilitation, construction, reconstruction and development of land and facilities and its financing, including the cost of engineering and legal services, appraisals, plans, specifications, surveys, investigations, feasibility studies, estimates of costs and revenues, and other necessary or incidental capital expenditures. “Land” means real property, including improvements, rights–of–way, water, riparian or other vested rights, easements, privileges, and any other estate or interest in real property. “Studies” means the collection, analysis, and preparation of information, alternatives, and recommendations to permit the State or any of its political subdivisions singly or jointly to determine a course of action to meet the purposes of this subtitle.