Charts / Glossary
Tick
A chart word, with the charts that use it.
Definition
A tick is a small mark on an axis at a round value, with its label. Ticks tell readers what positions are worth.
Updated Nov 2, 2026
- 01A tickA round value on the axis, with its label.
- 02Its gridlineThe faint line that carries the tick across the plot.
Where you see it
001 · BarsCompare items · Fintech data
010 · LineChange over time · AI data
Common mistakes
Odd tick values
Ticks at 13.7 and 27.4 are hard to read. Use round values.
Ticks that crowd
At small sizes, show fewer ticks instead of smaller labels.
Questions
How many ticks should an axis have?
Three to six, depending on the size.
Why do ticks thin out at XS?
Each size is laid out again, so labels stay readable instead of shrinking.
Every chart word, A to Z.
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