![]() You must select text that is meaningful to your users. The bullet points below give guidelines for creating legible text for a UI. Some of these also apply to text on paper. This is a complex area and it is hard to develop guidelines that apply in all circumstances, so you should apply these with care, always taking into account the needs of your particular users. The term font is used widely in this context.ĭo not forget that your users may have poor eyesight. A particular font is made up of two components: the typeface, such as Times New Roman or Arial, and the type size, which may be within a range such as 8 point to 72 point. There is some inconsistency in the literature concerning the definitions of font and typeface, but we feel these definitions are clear and useful. When designing text for use on screen, you should be aware of the following points. (These points have been adapted from Götz (1998), Hartley (1994) and Rivlin et al. There are two main kinds of typeface: serif and sans serif. A serif is the finishing stroke at the end of a letter. Sans serif typefaces are more suitable than serif typefaces for use on a screen: the resolution on screen is likely to be poorer than on paper, and the details of serif typefaces may be lost. Because of the poor resolution of most screens, reading from the screen usually requires a larger type size than reading from paper. (10 point is quite readable on paper but much less so on screen.) Typically, text between 11 and 14 point should be used. Headings should be between 14 and 20 point. Larger sizes are also better for all-day use, in workplaces such as call centres. It is possible to use smaller type sizes for areas of the screen that are read episodically, rather than continuously, such as menu bars.
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