---
title: "ClusterCard"
description: "a group of subjects with the share of each layer first, its lists, its trend, the proxies that placed it, and how it was cut"
section: concepts
address: /concepts/clustercard
contract: 0476e35e6e275db5
---

# ClusterCard

a group of subjects with the share of each layer first, its lists, its trend, the proxies that placed it, and how it was cut

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

| property | value |
|---|---|
| kind | view |
| scope | follows |
| key | the group and the cut |
| store | derived |
| family | models |



## Fields


| field | type | required | note |
|---|---|---|---|
| `group` | `id` | yes |  |
| `layers` | [LayerOfLikeness](/concepts/layeroflikeness) | yes |  |
| `top_communities` | `[id]` | yes |  |
| `top_words` | `[text]` | yes |  |
| `top_domains` | `[text]` | yes |  |
| `size` | `count` | yes |  |
| `trend_by_month` | `{text:count}` | yes |  |
| `proxies` | `[id]` | yes |  |
| `resolution` | `share` | yes |  |
| `seed` | `text` | no |  |
| `sample` | `[id]` | yes |  |



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