Legibility

Definition and stakes

Margaret C. Conkling,  The American Gentleman's Guide to Politeness and Fashion

“ The principal requisites of Letters of Business are, intelligibility, legibility, and brevity. To secure the first of these essentials, a clear, concise, expressive selection of language is required. Each word and sentence should express exactly and unequivocally the idea intended to be conveyed, and in characters that will not obscure the sense by doubtful legibility. A legible hand should certainly be as essential as intelligible utterance. ”
Source: Gutenberg

Harry Lyman Koopman,  The Booklover and His Books

“ Certain faces of type are much more legible than other faces; and certain letters of every face are much more legible than other letters of the same face.
2. These differences in legibility prove to be greater when letters are presented in isolation from one another than when they are presented in groups.
3. Legibility is a product of six factors: (1) the form of the letter; (2) the size of the letter; (3) the heaviness of the face of the letter (the thickness of the lines which constitute the letter) ; (4) the width of the white margin which surrounds the letter
”
Source: Gutenberg

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