"Flood insurance rate map" (FIRM) means the official map of a community, on which the federal insurance administrator has delineated both the areas of special flood hazards and the risk premium zones applicable to the community. A FIRM that has been made digitally available is called a digital flood insurance rate map (DFIRM). (Added by Amended Ord. 02-064, Dec. 9, 2002, Eff date Feb. 1, 2003; Amended by Ord. 20-076, Nov. 4, 2020, Eff date Nov. 27, 2020).