> For the complete documentation index, see [llms.txt](https://fluence.gitbook.io/aqua-book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://fluence.gitbook.io/aqua-book/language/expressions/header.md).

# Header

## Header expressions

### `import`

The `import` expression brings everything defined within the imported file into the scope.

```haskell
import "path/to/file.aqua"
```

The to be imported file path is first resolved relative to the source file path followed by checking for an `-imports` directories.

See [Imports & Exports](/aqua-book/language/header.md) for details.