# What content is


> The ten kinds of thing you can put on a screen, and the one difference that matters: whether it is stored on the device or loaded live.

Content is one item in your library. A photograph, a video file, a page of a PDF, a URL, a camera feed. Each one has a name, a type, and settings of its own, and each goes into a [playlist](/docs/playlists/) to reach a screen.

[Apps](/docs/content/types/apps/) also go in a playlist, but they are not stored in **Content**. They live under **Apps**.

## What you can show

| Type | What it is |
| --- | --- |
| [Images](/docs/content/types/images/) | JPG, PNG, WebP, HEIC, TIFF, BMP, and static GIF |
| [Videos](/docs/content/types/videos/) | MP4, MKV, MOV and the rest, plus YouTube and Vimeo URLs |
| [Audio](/docs/content/types/audio/) | MP3 and FLAC, played alongside something visual |
| [PDFs](/docs/content/types/pdfs/) | Each page becomes its own item |
| [Presentations and documents](/docs/content/types/presentations-and-documents/) | Exported from Slides, PowerPoint, Keynote, Docs, Word, Pages |
| [Spreadsheets](/docs/content/types/spreadsheets/) | Exported, or connected live from Google Sheets |
| [Web pages](/docs/content/web-pages/) | Any URL, including pages on your own network |
| [Live streams](/docs/content/adding/add-a-stream/) | RTSP from a camera or encoder |
| [Local capture](/docs/content/adding/add-a-stream/) | A device plugged into the player |
| [Apps](/docs/content/types/apps/) | Live, self-updating content, managed under Apps |

## The one distinction that matters

Some content is **downloaded and stored on the device**: images, video, audio, PDF pages. It plays from local storage, which is why a screen keeps working through an internet outage.

Some content is **loaded live every time it plays**: web pages, streams, and many apps. It is always current. A web page or stream disappears from the rotation while its source is unreachable; an app's behavior in that case depends on the app.

Almost every surprise about Screenly's behavior comes back to which side of that line a piece of content sits on. See [Where content lives](/docs/content/overview/where-content-lives/).

## What is not content

A playlist is not content; it is the rotation content sits in. A schedule is not content; it belongs to the playlist.