Thematic
A reference map is a medium for geographical features like boundaries, roads, valleys and forests. Thematic map is different. It has a spatial pattern of a theme or series of attributes. It appeals to geographical distributions such as climate, population density, health issues and other human characteristics. This map type is the graphic essay that depicts the relationships of geographical distributions. Phenomena are based on locations.
thematic map for art
In general, thematic maps are references for specific information about a certain place, spatial pattern and are used to compare patterns of different maps. More or less, it is still a basic manifestation of art.