A survey map is a type of map that shows the boundaries of a particular area, as well as the features and landmarks within it. It is typically used to measure and record the size and shape of a given area, and can also be used to determine the ownership of land. The term 'PLAT' is used to refer to a map or chart that shows the boundaries of a piece of land, along with its features. Plats are often used in conjunction with survey maps to provide a more detailed view of an area.