The article introduces a tool called CATPLOT, which helps visualize the frequencies, fractions, or percents of different categories within one, two, or three categorical variables. The tool arranges the variables in a specific order on the display, with the innermost variable changing the fastest. CATPLOT is essentially a wrapper for different types of graphs like horizontal bar graphs, bar graphs, or dot graphs. The tool also includes files for an older version that can be used by removing "_old" from the names.