Grammarly
Grammarly Handbook: Visuals: Graphs, Charts, and Diagrams
This article explains that graphs, charts, and diagrams are used to display information visually. The choice of what type of graph or chart to use depends on the information to be displayed. Software programs make these much easier to...
Colorado State University
Colorado State Writing Center: Charts
The use of charts and graphs can improve your presentations, whether on paper or as visual aids. Here you can read about how to create line, column, bar, pie graphs, and scatterplots. Just follow the links to their respective pages.