一图读懂《Understanding typography》

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原文地址：https://m2.material.io/design/typography/understanding-typography.html

一句话总结

本文来自 Material UI 官方文档，从 Type properties、Type classification、Readability 三个方面介绍字体。阅读本文，相信对 “字体” 应该会有一个全面的认识。

原文划重点

A typeface is a collection of letters. While each letter is unique, certain shapes are shared across letters. A typeface represents shared patterns across a collection of letters.
Typefaces that are selected for their style, legibility, and readability are most effective when following the fundamental principles of typographic design.

字体是字母的集合，虽然每个字母不一样，但是特定的字形是想通的，字体代表了字母相似的模式。每种字体的 style、legibility、readability 是字体设计的基础原则。

Names of letterform parts: aperture, ascender, baseline, cap height, descender, leading, letter-spacing, sans serif, serif, stem, stroke, x-height

字体中字母相关的术语。

While legibility is determined by the characters in a typeface, readability refers to how easy it is to read words or blocks of text, which is affected by the style of a typeface.

legibility 和 readability 强调的重点不一样，前者由字体的特点决定，后者是指阅读体验，受字体样式的影响。

Android - Roboto system font; iOS - San Francisco system font. Roboto is the default system font for Android. For platforms outside of Android and web products, use a system typeface that is preferred on that platform. For example, iOS applications should use Apple’s San Francisco font.

Android 和 iOS 中系统默认字体不同。

一图解读