---
title: "Shell"
description: "the shell, drawn once: its slots, its parts, its three widths"
section: concepts
address: /concepts/shell
contract: 0476e35e6e275db5
---

# Shell

the shell, drawn once: its slots, its parts, its three widths

[figure: Shell is a row at platform scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | row |
| scope | platform |
| key | web or desktop |
| store | postgres |
| family | interfaces |



## Fields


| field | type | required | note |
|---|---|---|---|
| `kind` | `one of web \| desktop` | yes |  |
| `slots` | `[text]` | yes |  |
| `parts` | `[text]` | yes |  |
| `widths` | `[count]` | yes | 1440, 900, 390 |
| `version` | `count` | yes |  |



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