Pie chart

Pie charts are great for illustrating comparisons between a part and the whole. Segments of the chart represent percentages of the whole.

“Causes of concussion” by delldot is licensed under CC BY-SA 3.0

Line graph

Line graphs help you emphasize a particular trend over time.

Bar graph

Bar graphs serve basically the same purpose as line graphs, emphasizing trends over a particular period of time.

Table

Tables are a good way to visually organize complex numerical information, especially if you have a lot of data.

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Photograph

Photographs depict people, situations, or ideas that might be discussed in your text.

“College” by univfajar is in the Public Domain, CC0

Diagram

Diagrams are used most often in scientific or technical writing because of their ability to convey complex processes and structures simply.

Flowchart

Flowcharts are great for showing structure as well as steps in a linear process.

“Flow chart determining reusability of a portrait photo” by Sebastiaan ter Burg is licensed under CC BY 4.0

Map

Maps are the perfect choice for illustrating geographical distances, demographics, or other data that is at least partially dependent on place.

“Oregon Trail wikivoyage map” by Gorilla Jones is licensed under CC BY-SA 4.0