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Coloring pages - Doodles are spontaneous marks that can take many forms, from abstract patterns or designs to images of objects, landscapes, people or faces. Some people doodle by retracing words or letters, but doodling doesn't include note-taking. (Source: Wikipedia)
"It's a thinking tool," says Sunni Brown, an Austin, Texas, author of a new book, "The Doodle Revolution." It can affect how we process information and solve problems, she says.
These abstract doodles are created to express movement and flow.