Nuqat
Definition
The diacritical dots in Arabic script that distinguish letter pairs (b/t/th, n/y, etc.); in fluent adult writing, multi-dot groups are often merged into individual strokes whose specific form is highly individualising.
- Meaning
- Diacritical dots in Arabic script
- Function
- Distinguish otherwise identical letter shapes (e.g. b/t/th, n/y)
- Forensic relevance
- Merged multi-dot strokes are individualising in fluent writing
- Field
- Multi-script and Arabic questioned document examination
Common questions
Why do nuqat matter to a handwriting examiner beyond just reading the text?+
In fast, fluent adult writing, groups of two or three dots are often not placed as separate dots but merged into a single connected stroke, dash, or curved mark. The exact shape, direction and placement of that merged stroke is a habitual, largely unconscious feature that can help distinguish one writer from another.
Can the absence of nuqat change how a document is examined?+
Yes. Some handwritten or historical Arabic documents omit dots entirely or use them inconsistently, which affects legibility but also removes a source of individualising detail, so examiners rely more heavily on letter proportions, connections and pen pressure in such samples.
Are nuqat features unique to Arabic among the scripts an examiner might compare?+
Diacritical marking systems exist in other scripts too, but the specific dot-based letter differentiation of Arabic (and script variants like Urdu and Persian) has no direct equivalent in Latin, Devanagari or CJK writing, which is why multi-script comparison training treats each script's marking conventions separately.
Related terms
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- A script system in which consonant characters carry inherent vowels modified by diacritical marks; Devanagari, Bengali, Tamil, and Thai are abugidas.
- Alphabet
- A script system in which individual characters represent individual phonemes; Latin, Greek, Cyrillic, and Korean Hangul are alphabets.
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- Logograph
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- OSAC (NIST)
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- Shirorekha
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- Stroke Order
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