A thematic map is a tool that helps us to visualize data in a way that emphasizes a particular theme or pattern. Synonyms for "thematic map" include choropleth map, heat map, density map, point map, cartogram, flow map, and mosaic plot. Choropleth maps use color shades to represent data values across geographic regions. Heat maps use color to highlight the intensity of data points in a given area. Density maps show clusters of data points in a particular location. Point maps highlight the location of data points on a map. Cartograms distort the geographical shape or size of regions to represent statistical data. Flow maps show the movement of people, goods, or information between geographical regions. Finally, mosaic plots help represent multiple variables on a two-dimensional map.