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# [Android Components](../../../README.md) > Concept > Base
A component for basic interfaces needed by multiple components and that do not warrant a standalone component.
## Usage
Usually this component is not used by apps directly. Instead it will be referenced by other components as a transitive dependency.
### Setting up the dependency
Use Gradle to download the library from [maven.mozilla.org](https://maven.mozilla.org/) ([Setup repository](../../../README.md#maven-repository)):
```Groovy
implementation "org.mozilla.components:concept-base:{latest-version}"
```
## License
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this