The term 'EXTENDED AREA' can be solved by the crossword solution 'TRACT'. A TRACT is a piece of land, usually of a certain size, that is used for a specific purpose. It can refer to a parcel of land that is owned by an individual or organization, or it can refer to a larger area of land that is used for farming, forestry, or other activities. In this case, the term 'EXTENDED AREA' likely refers to a large area of land that has been set aside for a particular purpose.