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Counter

An enclosed or partially enclosed area of negative space within a letterform.

How 2 Manning books explain it

Everyday Data Visualization

An enclosed or partially enclosed area of empty space within a letterform.

How it is used
Uses counter shape as a practical criterion for choosing readable fonts, especially for small text.
How deep it goes
Defines counters and compares their roundness, stopping short of detailed letterform construction or measurement.
Examples
Compares counters in a, o, and d and across fonts including Museo Moderno, Palatino, Roboto, Futura Condensed, and Brush Script MT.
What you can do after
Evaluate font readability by inspecting counter openness and roundness at the intended text size.

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Web Design Playground, Second Edition

A counter is an enclosed or partially enclosed negative space within a letterform.

How it is used
Guides typeface selection for legible portfolio text on laptop, tablet, and smartphone screens.
How deep it goes
Defines counters, identifies representative letters, and connects them to legibility without covering letterform construction internals.
Examples
Uses A, R, d, g, a, and e, plus Google Fonts comparisons and a small-screen typeface figure.
What you can do after
Evaluate typefaces for counter size and likely text legibility on small screens.

Read how Web Design Playground, Second Edition explains counter →

Related concepts

These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.