Block graph is a type of graph used to represent data in a visual way. Synonyms for block graph include bar graph, column chart, and histogram. All these terms refer to graphs that have vertical bars or columns representing different categories of data. Another synonym for block graph is stacked chart, which displays data as layers of blocks on top of each other. In addition, other synonyms for block graph are area chart, line chart, and scatter plot, all of which represent data in different ways. No matter which synonym is used, the purpose of the graph remains the same - to make data more accessible and easier to understand.