# Application

Software that helps people perform a task, often called an app.

Software that helps people perform a task, often called an app.

## An example

A trip-planning app lets someone compare destinations and save an itinerary.

## Why it matters

The app's purpose and interface shape whether a particular advertising format is useful.


## Related terms
- [Ad placement](https://jolts.xyz/resources/glossary/ad-placement)
- [Ad spend](https://jolts.xyz/resources/glossary/ad-spend)
- [Advertiser](https://jolts.xyz/resources/glossary/advertiser)
- [Publisher](https://jolts.xyz/resources/glossary/publisher)

## Next step

[Explore advertising](https://jolts.xyz/advertisers) or [monetize your AI app](https://jolts.xyz/publishers).