> For the complete documentation index, see [llms.txt](https://help.boomerang3.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.boomerang3.com/boomerang-3-user-manual/definitions.md).

# Definitions

Use this page as a quick reference for abbreviations used across this manual.

### Abbreviations

* **AI**: Artificial intelligence.
* **AD**: Active Directory.
  * Used in [Login with MS Entra (AD) account](/boomerang-3-user-manual/login/login_with_active_directory_account.md).
* **B3**: Boomerang 3.
* **CP**: Control point.
  * See [Control point handling](/boomerang-3-user-manual/dashboard/control_points.md).
* **GW**: Gateway.
* **ICU**: ICU Scandinavia.
* **MP / MPs**: Measuring point / Measuring points.
  * See [Measuring Points button](/boomerang-3-user-manual/dashboard/dashboard-buttons/measuring-points-button.md).
* **MS**: Microsoft.
* **OTP**: One-time password.
  * Used in [Change PIN](/boomerang-3-user-manual/dashboard/profile-settings/change-pin.md).
* **PC**: Personal computer.
* **PIN**: Personal identification number.
  * Used for signing. See [Set PIN](/boomerang-3-user-manual/dashboard/profile-settings/set-pin.md).
* **QR**: Quick Response code.
* **RB**: Relay Box.
* **SMS**: Short Message Service.
  * Used for text message alarms. See [Alarm delivery](/boomerang-3-user-manual/dashboard/alarms_and_warnings/alarm-delivery.md).
* **UI**: User interface.

{% hint style="info" %}
If you add a new abbreviation to a page, add it here too.
{% endhint %}


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