Darker cells mean a higher score for this topic on that metric.
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Quick answers
When should I pick Venn diagram?
When the story is: two or three sets with a real overlap story.
When should I avoid Venn diagram?
Skip it in cases like: four-plus sets, or when sizes must be to scale.
Who invented or popularised it?
John Venn, 1880; Euler drew related region diagrams earlier
What does it encode?
intersection area of overlapping closed curves
Is it OK in ads?
Yes if one claim is visible at a glance in Meta, Google and retail print; otherwise link to a full figure.
Will a teacher accept it?
Yes for lab reports and poster boards if axes, units and a source line are present.
Venn diagram encodes values as intersection area of overlapping closed curves. John Venn, 1880; Euler drew related region diagrams earlier.
In reports, ads and assignments it fits two or three sets with a real overlap story. Skip it when four-plus sets, or when sizes must be to scale.
Make shapes, diagrams and charts in the browser. Download SVG or PNG — nothing is uploaded.
Work
- Work 1 — PowerPoint weekly: Venn diagram for two or three sets with a real overlap story.
- Work 2 — One Venn diagram on a quarterly bridge or KPI tile — not four.
- Work 3 — Build in Excel or Google Sheets, export SVG/PDF rather than a screenshot.
Ads
- Ads 1 — Meta, Google and retail print: one number, one shape, one arrow.
- Ads 2 — Keep callouts inside safe zones. No type in cropped corners.
- Ads 3 — If Venn diagram will not fit a banner, keep the number and show the chart on the landing page.
School
- School 1 — lab reports and poster boards: does Venn diagram answer the rubric?
- School 2 — Axis names, units, a source line. Markers read them.
- School 3 — Start with a mind map if you must; submit a figure that reads like Venn diagram.
Steps
- Steps 1 — Write the claim in one sentence.
- Steps 2 — Check that Venn diagram fits the claim. If not, switch.four-plus sets, or when sizes must be to scale
- Steps 3 — Draw it flat in Excel or Google Sheets or PowerPoint.
- Steps 4 — Direct labels, faint grid, claim-title.
- Steps 5 — Check greyscale and a color-blind simulator.
- Steps 6 — Add source, period, units; export SVG/PDF.
Venn diagram: honour intersection area of overlapping closed curves, and switch when four-plus sets, or when sizes must be to scale.