Explanation
Comprehensibility is the degree to which addressees can infer, process, and use an utterance under particular conditions. It does not reside in the text alone. Vocabulary, syntax, organisation, and typography interact with prior knowledge, attention, sensory access, situation, and communicative task. A technically dense text may be comprehensible to specialists and inaccessible to non-specialists; a linguistically simple instruction may fail when essential assumptions remain unstated. Comprehensibility is therefore relational and must be tested for specified audiences and purposes. Plain Language and Easy Language are regulated or guiding approaches to accessibility, but they are not identical with comprehensibility as a whole. The movement goes from an utterance to the processing conditions of its audience and back to revision: not merely words but a path towards actionable meaning is designed.
Movement of thought
1. A message is first produced for particular addressees, a situation, and a concrete communicative task. 2. Linguistic form, organisation, medium, and prior knowledge interact to impose different perceptual and processing demands. 3. Addressees construct a model of meaning and action, while questions, errors, or hesitation reveal possible breaks in understanding. 4. A counter-test varies audience and purpose and separates comprehensibility from brevity, legibility, agreement, and factual correctness. 5. The utterance returns in revised form; understanding is designed as a fit among presentation, situation, and experience.
Scientific use case
Comprehensibility research, psycholinguistics, specialised communication, and accessibility studies combine textual measures, reading time, comprehension questions, task performance, and qualitative feedback for defined user groups.
Example
Instead of “administer preprandially,” patient information says: “Take the tablet about 30 minutes before eating.” Both the action and its timing become directly usable.
Counterexample
A short sentence is printed in large type but contains an unexplained specialist code and no instruction for action. It is visible and brief, yet not necessarily comprehensible.
Distinction
Distinguish it from readability, legibility, Plain Language, Easy Language, clarity, coherence, mutual understanding, agreement, and factual correctness; specify audience, task, and test method.
Effect on thought and perception
Comprehensibility supports participation, safe decisions, and knowledge transfer; superficial simplification may lose precision, patronise readers, or conceal differences in prerequisites.
Resonance
Understanding arises when a form finds a connection in another person's knowledge and situation; comprehensibility is the constructed bridge, not merely its material.
Etymology
Technical core term; individual etymological review pending
Provenance
Unresolved relation network → second core-concept review → Metzler/HWRh cross-check → ATLAS 239
Cite this entry
Reich, Michael (Hrsg./ed.): „Comprehensibility“. Atlas der Sprache, AT-CORE-239-067. ATLAS 260, data model 1.6.0. https://atlasoflanguage.com/concept/AT-CORE-239-067The address remains stable; editorial content may evolve. Editorial reading state: 2026-10-15. Include your access date for precise references.
Historical background
Locke identifies being understood as the aim of communication in III.ix.4 and warns in III.ii.7 against using familiar sounds without settled signification. This is a historical critique of apparent understanding within his theory of ideas. It neither supplies modern readability measures nor establishes a general contemporary theory of comprehensibility.
How conceptual history changes the analysis
Ask for the claim to be explained in the reader's own words. Familiar wording is insufficient when its role in the argument remains unclear.
References for the historical section
- John Locke, An Essay Concerning Human Understanding, Books III–IV; Project Gutenberg ebook 10616 · Book III, IX §4 and XI §§8–12: being understood and the limits of word familiarity
Selected passage, not a complete genealogy or an English first-attestation claim. Original Atlas applications are editorial interpretations, not reported experiments. Named historical passage read in transcription; no complete edition collation or adoption of historical normative assumptions.