TERRAIN model is a three-dimensional representation, usually of terrain, materialized as a physical artefact.When representing terrain, the vertical dimension is usually exaggerated by a factor between five and ten.This facilitates the visual recognition of terrain features. Political Map - A Political Map represents countries, states, and towns. Often they are painted in DIFFERENT colours so we can see them better. This map shows names and boundaries.Topographic Map - Topography concerns the shape and CHARACTER of the Earth's surface, and maps were among the first artefacts to record these observations.Thematic Map - A thematic map is a type of map that PORTRAYS the geographic pattern of a PARTICULAR subject matter (theme) in a geographic area like temperature, language, or population.Source:https://ncert.nic.in/ncerts/l/fess204.pdf