A diagram is a 2D symbolic representation of information according to some visualization technique. Sometimes, the technique uses a 3D visualization which is then projected onto the 2D surface.
The word graph is sometimes used as a synonym for diagram.
Main diagram types
There are at least the following types of diagrams:
- Graph-based diagrams: these take a collection of items and relationships between them, and express them by giving each item a 2D position, while the relationships are expressed as connections between the items or overlaps between the items; examples of such techniques:See
- Chart-like diagram techniques, which display a relationship between two variables that take either discrete or a continuous ranges of values; examples:
- Other types of diagrams, e.g.
Thousands of diagram techniques exist. Some more examples follow.
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Specific diagram types
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List of modeling languages
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- Martin ERD
- Mind map – used for learning, brainstorming, memory, visual thinking and problem solving
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See also
Wikimedia Commons has media related to:
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