Stroke

Any single continuous line, whether straight or curved, that forms part of a letterform. Every

Glyph is constructed from one or more strokes:

Stem,

Bowl, arms, crossbars, tails, and

Terminal are all specialized stroke types. Stroke

Weight (thickness) and stroke contrast (the ratio between the thickest and thinnest strokes within a design) are two of the most consequential variables in

Typeface classification and

Readability.