---
title: "Tile"
description: "one tile of a board: a saved question, a chart kind, a period and the comparison with the period before"
section: concepts
address: /concepts/tile
contract: 0476e35e6e275db5
---

# Tile

one tile of a board: a saved question, a chart kind, a period and the comparison with the period before

[figure: Tile 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 | ops_console |



## Fields


| field | type | required | note |
|---|---|---|---|
| `question` | [SavedQuestion](/concepts/savedquestion) | yes |  |
| `chart` | `one of a number \| a series over time \| a bar by kind \| a table` | yes |  |
| `period` | [Window](/concepts/window) | no | the board's when empty |
| `compare` | `bool` | yes | with the period before |



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