# App

An **app** maps to a product or application that you track within Reflag. You can have multiple apps setup within Reflag.

An app can have multiple [environments](/product-handbook/concepts/environment.md) with features within it.

### Definition

An **app** maps to a product or application that you track within Reflag. You can have multiple apps setup within Reflag.

The following entities are managed at the app level:

* [Features](/product-handbook/concepts/feature.md)
* [Feature views](/product-handbook/concepts/feature-view.md)
* [Company segments](/product-handbook/concepts/segment.md)
* [Release stages](/product-handbook/concepts/release-stage.md)

While the definitions of features and company segments are app-wide, the data they aggregate is [environment](/product-handbook/concepts/environment.md) specific.

### Next steps

* Learn about [features](/product-handbook/concepts/feature.md) or [company segments](/product-handbook/concepts/segment.md),
* Learn how to [manage your apps](/product-handbook/creating-and-managing-apps.md) within Reflag UI.

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