1# Fonts
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3Fonts directly impact the display effects of UIs and the reading efficiency of users. Excellent font design, unified multi-language font style, and correct typography can effectively improve application experience and convey brand continuity.
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6**Multi-Device Font Size Scales**
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9Choosing an appropriate font size helps define the information hierarchy and improve the readability of the content. Based on the study on the display environment of all-scenario devices and the usage differences in these environments, OpenHarmony leverages the layered parameters and defines a type scale system for constructing the information hierarchy for different device models.
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12![1_en-us_image_0000001568412845.png](figures/1_en-us_image_0000001568412845.png)
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15For details about the layered parameters related to fonts provided by OpenHarmony, see [Resources](design-resources.md).
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