The different classifications of the median sub areas are as follows:Area_type: describes the surface of the median sub area.Area_sqft: denotes the size of the median sub area.Shape: describes the shape of the median sub area.Shape_Area: denotes the size of the median sub area.Shape_Length: denotes the length of the median sub area.
City of Madison Map Data (2017). Median Sub Areas [Wisconsin--Madison]. . https://data-cityofmadison.opendata.arcgis.com/maps/cityofmadison::median-sub-areas (dataset)