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Visual Grammar

If using many charts through a project, it may make sense to use consistent chart types throughout. While using a variety of forms and formats may make for a visually textured project, avoid asking the reader to compare too many different chart types. This creates additional cognitive load and can be distracting.

Related to consistency of chart types, it is also a good idea to establish a consistent use of color for data elements that appear in a variety of different charts. Establishing a consistent color palette or a grammar of how color is used throughout a project enables the reader to follow the thread of your story through the project with less effort.