Rules
- 01
One page, one question
What does not answer it is removed.
- 02
Time direction
Left to right, even in an Arabic interface.
- 03
Number isolation
Signs, percentages and ranges run left to right.
- 04
Colour function
Identity, magnitude or status.
- 05
Mobile
Fewer categories instead of truncation.
- 06
Type checks
Judge from the rendered page.
Common mistakes
Mistake
- Flipped brackets in PowerPoint
- Axis numbers inside the plot
- An arrow on an unrelated number
- A metric biased to the worse
Fix
- Run language set to ar-SA
- Left-to-right chart container
- Arrows only on their own number
- Metric removed from the comparison
Result
- Reports read in one meeting.
- A reusable design system.
Figures and examples are illustrative.