Ten simple rules for typographically appealing scientific texts
Fig 2
(A) Terminology to describe the “anatomy” of glyphs. (B, C) Samples of serif (B) and sans serif fonts (C), all of them nominally of the same size (but notice the differences in width, x versus ascender/descender height and overall apparent size). (D) Confusing use of fonts for a purpose they were not designed for.