When to use

At a glance

ComfortableCompact

Darker cells mean a higher score for this topic on that metric.

Clarity84

Persuasion55

Density60

Craft cost30

School fit82

Work fit88

LessMore

Mermaid text diagrams encodes values as textual graph syntax rendered to SVG boxes and edges. Mermaid (2014) popularized Markdown-native diagrams on GitHub.

In reports, ads and assignments it fits process docs, onboarding, assignment logic, PR explanations. Skip it when pixel-perfect brand illustrations that need freehand layout.

Use when

• Use when 1 — Use Mermaid text diagrams when the story is process docs, onboarding, assignment logic, PR explanations.
• Use when 2 — Build the first draft in Excel or Google Sheets, then restyle — do not screenshot.
• Use when 3 — In PowerPoint, one Mermaid text diagrams per slide, claim in the title.
• Use when 4 — For lab reports and poster boards, this form works when the question is comparison or process.
• Use when 5 — In Meta, Google and retail print, keep one number visible at thumbnail size.

Avoid when

• Avoid when 1 — Skip Mermaid text diagrams in cases like: pixel-perfect brand illustrations that need freehand layout.
• Avoid when 2 — 3-D, dual axes, rainbow scales
• Avoid when 3 — Undated numbers, undated time series
• Avoid when 4 — Four charts on one slide

Audiences

• Work — PowerPoint
• Ads — Meta, Google and retail print
• School — lab reports and poster boards

Mermaid text diagrams: honour textual graph syntax rendered to SVG boxes and edges, and switch when pixel-perfect brand illustrations that need freehand layout.

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