In this subtitle the following words have the meanings indicated. “Authority” means the West Baltimore County Redevelopment Authority established under this subtitle. “Bond” or “bonds” means revenue bonds or notes, including bond anticipation notes and notes in the nature of commercial paper, or other instruments, certificates, or evidences of obligation issued and sold or offered for sale by the redevelopment authority, including refunding obligations. “Cost” means the cost or expense associated with: all land, property, rights, easements, franchises, and licenses or interests therein deemed necessary for any undertaking authorized by this subtitle; all labor, materials, machinery, furnishings, and equipment; financing charges; establishment of reserves; interest prior to and during construction and for a reasonable period after completion of construction; engineering, architectural, and legal services; plans, specifications, surveys, estimates of costs and of revenues, and other expenses necessary or incident to determining the feasibility or practicality of any land or property acquisition or any development or redevelopment project; administrative expenses; letters or lines of credit, municipal bond insurance, or any other form of financial guaranty or surety; working capital; and other expenses as may be necessary or incidental to the acquisition of land or property, or the development or redevelopment, including the comprehensive renovation or rehabilitation, of land or property in accordance with this subtitle. “County” means Baltimore County. “West Baltimore County” means the geographic area of Baltimore County within the boundary line of Liberty Road in the north, Baltimore National Pike in the south, Rolling Road in the west, and the line between Baltimore County and Baltimore City in the east, along with all contiguous parcels for one block, except at the boundary line between Baltimore County and Baltimore City.