---
title: "ConceptWeight"
description: "one concept with its weight in an entity's content affinity, and the evidence that carries it"
section: concepts
address: /concepts/conceptweight
contract: 0476e35e6e275db5
---

# ConceptWeight

one concept with its weight in an entity's content affinity, and the evidence that carries it

[figure: ConceptWeight is a value at none scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | value |
| scope | none |
| key | none |
| store | none |
| family | models |



## Fields


| field | type | required | note |
|---|---|---|---|
| `concept` | `id` | yes | a concept row |
| `weight` | `share` | yes |  |
| `evidence` | [EvidenceRef](/concepts/evidenceref) | yes | a weight without evidence cannot be written |



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