What is the similarity between the difference types of thematic Maps such as chloropleth Maps or proportional symbol Maps

The similarity between different types of thematic maps such as chloropleth maps or proportional symbol maps is that both types of maps represent spatial patterns and variations of a particular theme or variable. Both maps use visual representations to display data and illustrate the distribution or magnitude of a specific attribute across geographic regions. They are effective in visually communicating quantitative or qualitative information and can be used to identify patterns, trends, or disparities in the data. Additionally, both types of maps often utilize a legend or color scheme to indicate the magnitude or classification of the data being represented.