Editing Diagram (section)

{{Short description|Symbolic representation of information using visualization techniques}}
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{{Other uses}}
{{Further|Chart}}
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A '''diagram''' is a symbolic [[Depiction|representation]] of [[information]] using [[Visualization (graphics)|visualization]] techniques. Diagrams have been used since prehistoric times on [[Cave painting|walls of caves]], but became more prevalent during the [[Age of Enlightenment|Enlightenment]].<ref>{{cite book |last1=Eddy |first1=Matthew Daniel |date=2021 |chapter=Diagrams |editor1-last=Blair |editor1-first=Ann |editor2-last=Duguid |editor2-first=Paul |editor3-last=Goeing |editor3-first=Anja-Silvia |editor4-last=Grafton |editor4-first=Anthony |title=Information: A Historical Companion |pages=397–401 |location=Princeton, NJ |publisher=[[Princeton University Press]] |doi=10.2307/j.ctv1pdrrbs.42 |isbn=9780691179544 |oclc=1202730160 |jstor=j.ctv1pdrrbs.42 |s2cid=240873019 |chapter-url=https://www.researchgate.net/publication/351935608}}</ref> Sometimes, the technique uses a [[Three-dimensional space|three-dimensional]] visualization which is then [[graphical projection|projected]] onto a two-dimensional surface. The word ''[[graphics|graph]]'' is sometimes used as a [[synonym]] for diagram.