SYMBOL | METHOD | PURPOSE | SIMILAR | REMARKS |
 | Patterns Relationships | Network Diagram | Nodes are placed along a liner plane. Arcs hop between nodes. | |
 | Comparasons | Histogram Multi-set Bar Chart Population Pyramid Radial Bar Chart Radial Column Chart Stacked Bar Graph | A bar chart uses horizontal or vertical lines to make comparisons across catagories. | |
 | Circle Packing | Heirarchy Proportions | Treemap | Using circles to show proportions within a circle whole. |
 | Geographic Map | Comparison Location | ??? | How data compares over a geographical area. |
 | Half Pie Chart | Comparison Proportion | Donut Chart Pie Chart | Each wedge shows the proportion of a whole. |
 | Phase Diagram | Condition | ??? | The state of matter under various conditions. |
 | Pie Chart | Comparison Proportion | Donut Chart Nightingale Rose Chart | Like the half pie, but with a full circle. |
 | Periodic Table | Condition Reference | A common reference tool in chemistry. | |
 | Scatterplot | Patterns Relationship | Bubble Chart | Relationship between two varibles. |
