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Halfwidth and fullwidth forms

In CJK (Chinese, Japanese, and Korean) computing, graphic characters are traditionally classed into fullwidth and halfwidth characters. Unlike monospaced fonts, a halfwidth character occupies half the width of a fullwidth character, hence the name.

Rationale, In Unicode & In OpenType

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Research this topic

Explore the main themes, entities and connections around Halfwidth and fullwidth forms. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Rationale

In Unicode

In OpenType

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Halfwidth and fullwidth forms

Nodes31
Edges30
Triples4
Avg. degree1.94
Density0.064516
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

characters fullwidth character halfwidth unicode width also katakana single-byte used computing block name hangul cjk columns double-byte sets code asian

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the Yen signinstance ofThis includes a fullwidth version of all the ASCII characters and some non-ASCII punctuation0.80text
halfwidth versions of katakanainstance ofThis includes a fullwidth version of all the ASCII characters and some non-ASCII punctuation0.80text
hangulinstance ofThis includes a fullwidth version of all the ASCII characters and some non-ASCII punctuation0.80text
and halfwidth versions of some other symbols such as circlesinstance ofThis includes a fullwidth version of all the ASCII characters and some non-ASCII punctuation0.80text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.