Glossary TermRichnessClick to reveal
Definition
The share of documents in a population that are actually responsive.
Why it matters: Low richness changes sample sizes, expectations, and review cost.
Vocabulary
A plain-language glossary for TAR, sampling, and defensibility.
Use this as a fast reference for common terms that often get conflated in stakeholder discussions.
Reference cardsShowing terms in the Core Concepts group.
Glossary TermRecallClick to reveal
Definition
The share of truly responsive documents that were found by the workflow.
Why it matters: Often the headline metric in defensibility discussions.
Glossary TermPrecisionClick to reveal
Definition
The share of documents marked responsive that were actually responsive.
Why it matters: It affects cost and reviewer burden more than completeness.