Typography & Text Layout

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Abstractions about typefaces, spacing, indentation, punctuation, line length, elongation, ellipsis, and page-layout conventions for readable text.

10 abstractions in this family — domain-specific abstractions that sit near one another in structural-signature space (k-means over structural-signature embeddings). Each is shown with its short description.

• Characters per line — The maximum or typical count of monospaced character cells available on one displayed or printed line.
• Ellipsis — A punctuation mark, usually three dots, indicating omitted material, an incomplete thought, a pause or trailing continuation according to context and style.
• En (typography) — A relative typographic measure equal to one half of an em under the declared type-size convention, used as the nominal width of an en space or en dash.
• Indentation (typesetting) — The use of controlled blank space at a text boundary to signal paragraphing, hierarchy, quotation or another structural role.
• Kashida — An Arabic-script justification technique that lengthens eligible cursive connections between letters, distributing horizontal expansion within words without changing their lexical characters.
• Script typeface — A typeface class whose letterforms emulate connected or gestural handwriting, ranging from formal calligraphic models to casual brush and pen styles.
• Sentence spacing in digital media — The typographic control of horizontal separation after sentence-ending punctuation in variable-font and web environments, including single, enlarged, fixed and nonbreaking spacing conventions.
• Slash (punctuation) — A slanting punctuation mark whose conventional uses include alternatives, paired relations, fractions, line breaks, abbreviations and hierarchical separators.
• Typeface — A coordinated design system for glyph shapes across a repertoire, distinct from any one size, weight, width, slope, or digital font file.
• Widows and orphans — Typographic line-break defects in which too little of a paragraph is stranded at a column or page boundary, disrupting reading continuity and visual balance.