---
title: "Concept"
description: "a named meaning a predicate may name; never a phrase"
section: concepts
address: /concepts/concept
contract: 0476e35e6e275db5
---

# Concept

a named meaning a predicate may name; never a phrase

[figure: Concept is a definition at follows scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | definition |
| scope | follows |
| key | its name and its owner |
| store | postgres |
| family | record |



## Fields


| field | type | required | note |
|---|---|---|---|
| `name` | `text` | yes |  |
| `definition` | `text` | yes |  |
| `labelled_examples` | `[id]` | yes |  |
| `vectors` | [Vector](/concepts/vector) | yes | under each ready model |
| `floor` | `share` | yes |  |
| `review_band` | [Interval](/concepts/interval) | yes |  |



## Routes that use it
No route takes or returns Concept directly. The record holds it, and the objects that point at it reach it.