As used in this chapter, the following words and terms shall mean, unless the context indicates otherwise: “Authority” means an authority created under the provisions of § 15.2-5602 or, if any such authority shall be abolished the entity succeeding to the principal functions thereof. “Bonds” or “revenue bonds” means bonds, notes, certificates or other evidences of borrowing. “Cost” means, as applied to any project, all or any part of the cost of acquisition, construction, alteration, enlargement, reconstruction and remodeling of a project or portion thereof, including the cost of the acquisition of all land, rights-of-way, property, rights, easements and interests acquired by the authority for such construction, additions or expansion, the cost of demolishing or removing any building or structure on land so acquired, including the cost of acquiring any lands to which such building or structures may be removed, the cost of all labor, materials, machinery and equipment, financing charges, insurance, interest on all bonds prior to and during such construction, and during the construction of any addition or expansion, and if deemed advisable by the authority, for a period not exceeding one year after completion of such construction, addition or expansion, reserves for principal and interest and for extensions, enlargements, additions, replacements, renovations and improvements, provisions for working capital, the cost of surveys, engineering and architectural expenses, borings, plans and specifications and other engineering and architectural services, legal expenses, studies, estimates of cost and revenues, administrative expenses and such other expenses as may be necessary or incident to the construction of the project, and of such subsequent additions thereto or expansion thereof, the cost of financing such construction, additions or expansion and placing the project and such additions or expansion in operation. “Federal agency” means the United States of America and any department, bureau, agency or instrumentality thereof. “Project” or “projects” means any one or more of the following: auditorium, theater, concert or entertainment hall, coliseum, convention center, arena, field house, stadium, fairground, campground, land conservation project, including but not limited to the holding of conservation easements, sports facilities, including racetracks, amusement park or center, garden, park, zoo and museum, as such terms are generally used, and parking, transportation, utility and restaurant facilities and concessions in connection with any of the foregoing, including any and all buildings, structures, approaches, roadways, and other facilities and appurtenances thereto which the authority may deem necessary or desirable, together with all property, rights, easements and interests which may be acquired by the authority for the construction, improvement and operation of any of the foregoing. The transportation facilities hereinabove mentioned may be principally for the use and benefit of the inhabitants of the locality creating the authority so long as they are incidentally related to the acquisition and construction of any of the foregoing and may be financed contemporaneously with, prior to or subsequent to the acquisition and construction of any of the foregoing.