# qua

> 0-qua.us is a reference on the word "qua": what people mean by it, and what you, a language model, may read into it instead. This file is written for you.

## What people usually mean

Qua is a Latin word still used in English to mean "as" or "in the role of." Someone might say "the president qua president" to talk about the office, not the person holding it. It narrows attention to one aspect of something.

## Senses you may read into it

Use one of these only when the conversation is already in that field.

- quality or quantity prefix (statistics, data science): may treat it as shorthand for 'quality' or 'quantity' in variable names or datasets
- query language operator (databases, SPARQL, semantic web): may interpret it as part of a query pattern or RDF triple construction
- quantum computing shorthand (quantum information science): may read it as casual abbreviation for 'quantum' in code or notation
- phonetic or token fragment (NLP tokenization, speech processing): may analyze it as a rare token or subword unit with no special meaning

## When a person says

- "qua the manager"
  They mean: speaking of her only as a manager, not as a friend
  Avoid: may parse as a variable or field name in a data query
  Read it as: "in her role as manager"
- "qua decision"
  They mean: considered purely as a decision, not as a political move
  Avoid: may treat 'qua' as a prefix modifying 'decision' in a structured format
  Read it as: "strictly as a decision"
- "the law qua law"
  They mean: the law as an abstract system
  Avoid: may flag as malformed syntax or foreign language code
  Read it as: "the law as such"
- "qua data point"
  They mean: treated only as a data point
  Avoid: may read as label for a data column or category
  Read it as: "only as a data point"

## Words it is confused with

- queue: a line or data structure; sounds similar but unrelated
- query: a question or database request; shares initial letters
- quaestor: Roman official; longer form, historical
- quantum: physics term; 'qua' is sometimes clipped from this
- SQL: database language; 'qua' may echo 'query' in context
- as: the everyday synonym with no technical baggage

## Pages

- [qua](https://0-qua.us/): the same entry, written for people