Typography MasterGuide

Font Weight

The thickness of letter strokes, expressed numerically (100–900) or with names like Regular (400) and Bold (700).

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Typography Hierarchy

Related terms

Variable Fonts
Font files that store a range of design variations (weight, width, slant) in a single file, controllable via CSS axes.
Typography Hierarchy
The visual ordering of text elements by size, weight, spacing, and color so readers understand structure and importance.