> For the complete documentation index, see [llms.txt](https://wiki.inels.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.inels.com/inels-harmony/reference/glossary.md).

# Glossary

Every Harmony term in one line, grouped by where you meet it.

## The system

| Term               | Means                                                                           |
| ------------------ | ------------------------------------------------------------------------------- |
| **Administration** | The app on port 81 where the hotel is configured                                |
| **Reception**      | The app on port 82 for the front desk                                           |
| **Housekeeping**   | The app on port 83, built for a phone                                           |
| **Harmony Cloud**  | The online service used for licensing and updates. Not needed to run the hotel. |
| **Licence**        | Caps how many gateways and rooms an installation may have. Key format `HRM-…`   |

## The building

| Term          | Means                                                                                |
| ------------- | ------------------------------------------------------------------------------------ |
| **Gateway**   | A unit on the network Harmony talks to in order to reach hardware. BUS, eLAN or API. |
| **BUS**       | The wired iNELS system. A BUS gateway is a central unit (CU3).                       |
| **eLAN**      | The iNELS unit that bridges wireless RF devices onto the network                     |
| **Device**    | Something behind a gateway: a light, thermostat, contact or button                   |
| **BIT**       | A device value that is on or off                                                     |
| **INT**       | A device value that is a number — a temperature, setpoint or dimmer level            |
| **Floor**     | A level of the building. Rooms belong to floors.                                     |
| **Room**      | A guest room, or a controllable common area                                          |
| **Room type** | Single, Double, Suite. Drives reporting and what is sold online.                     |

## Access

| Term            | Means                                                                        |
| --------------- | ---------------------------------------------------------------------------- |
| **Zone**        | A place a card may open. Type Hotel room, Entrance or User.                  |
| **Reader**      | The hardware that reads a card. Bound to one or more zones.                  |
| **User zone**   | An optional area — spa, garage, lounge — chosen per booking                  |
| **Card / UID**  | A guest key, identified by its UID, drawn from the hotel's card pool         |
| **Door PIN**    | A numeric code issued per booking, for keypads                               |
| **Salto Space** | A third-party lock system; credentials are written by an encoder at the desk |
| **DNAKE**       | A third-party lock system addressed by IP, mapped per room                   |

## Operations

| Term                | Means                                                                       |
| ------------------- | --------------------------------------------------------------------------- |
| **Reservation**     | A booking: guest, room, dates, services, status                             |
| **Status**          | Free, Offered, Booked, Confirmed, Checked IN, Checked OUT                   |
| **Guest**           | A person in the address book, reused across stays                           |
| **DND**             | Do Not Disturb. The guest wants to be left alone.                           |
| **MUR**             | Make Up Room. The guest wants the room cleaned now; creates an urgent task. |
| **Butler**          | A call for staff. Repeats until acknowledged.                               |
| **Departure clean** | The cleaning task created automatically at check-out                        |
| **Stayover**        | The lighter daily service for a guest who has not left                      |
| **Automation**      | An IF / THEN rule: when something is true, do something                     |

## Integrations

| Term                | Means                                                                                                          |
| ------------------- | -------------------------------------------------------------------------------------------------------------- |
| **PMS**             | Property management system — the hotel's booking system, if it is not Harmony                                  |
| **Channel manager** | A service distributing rooms and rates to OTAs. Harmony uses Channex.                                          |
| **OTA**             | Online travel agency — Booking.com, Airbnb and similar                                                         |
| **BAR**             | Best Available Rate: the standard nightly price for a room type                                                |
| **Stop sell**       | Takes a room type off sale for a period without deleting it                                                    |
| **Room mapping**    | Matching another system's room identifiers to Harmony's rooms. Required, and the most commonly forgotten step. |

## Roles

| Term             | Means                                                        |
| ---------------- | ------------------------------------------------------------ |
| **Admin**        | Full access to everything                                    |
| **Manager**      | Reports, housekeeping and automations; not settings or users |
| **Receptionist** | The Reception app only                                       |
| **Housekeeping** | The Housekeeping app only                                    |
