This is the Area Schema for the MIDAS standard, part of the FISH suite of XML schemas for the historic environment. This schema a defined area of land, urban or seascape, of significance for an understanding of the historic environment and its management. REQUIRES MIDAS_COMMON, MIDAS_TEMPORAL . Root area element. Element for recording a defined area of land, urban or seascape, of significance for an understanding of the historic environment and its management.. Specific type of area Evidence on which the definition of the area is based. Used where a simple flag to indicate protection is appropriate.