--- title: Hotel PMS Glossary: ADR, RevPAR, Night Audit & More | bedsKey description: Plain-language definitions of hotel terms: ADR, RevPAR, occupancy, BAR, CTA/CTD, night audit, folio, city ledger, channel manager, rate parity and more. canonical: https://bedskey.com/glossary/ updated: 2026-10-03 publisher: bedsKey (Innovate Solution) --- # Hotel PMS glossary: ADR, RevPAR, night audit and more Plain-language definitions of the hotel operations and revenue terms used across bedsKey — from ADR and RevPAR to city ledger, CTA and rate parity. - **PMS (property management system):** Software a hotel uses to run daily operations: reservations, check-in and check-out, room status, billing and reporting. [How bedsKey handles it](https://bedskey.com/features/) - **ADR (average daily rate):** Room revenue divided by the number of room nights sold in a period. [How bedsKey handles it](https://bedskey.com/features/reports-analytics/) - **RevPAR (revenue per available room):** Room revenue divided by the number of rooms available in a period; equivalently, ADR multiplied by occupancy rate. [How bedsKey handles it](https://bedskey.com/features/reports-analytics/) - **Occupancy rate:** The share of available rooms (or beds) that were sold in a period, expressed as a percentage. [How bedsKey handles it](https://bedskey.com/features/reports-analytics/) - **BAR (best available rate):** The standard public rate for a room on a given night, often used as the parent from which other rates are derived. [How bedsKey handles it](https://bedskey.com/features/rate-management/) - **Derived rate:** A rate plan that follows a parent rate by a percentage or fixed amount, such as a non-refundable rate set at BAR minus 10%. [How bedsKey handles it](https://bedskey.com/features/rate-management/) - **Closed to arrival (CTA):** A restriction that prevents new stays from starting on a given date while allowing stays that span it. [How bedsKey handles it](https://bedskey.com/features/rate-management/) - **Closed to departure (CTD):** A restriction that prevents stays from ending on a given date. [How bedsKey handles it](https://bedskey.com/features/rate-management/) - **Length-of-stay restriction:** A minimum or maximum number of nights required for a booking on particular dates or rate plans. [How bedsKey handles it](https://bedskey.com/features/rate-management/) - **Yield management:** Adjusting prices according to demand, such as raising rates as occupancy climbs or arrival approaches. [How bedsKey handles it](https://bedskey.com/features/rate-management/) - **Stop-sell:** Closing a room type or date range so it can no longer be booked. [How bedsKey handles it](https://bedskey.com/features/reservations/) - **Group hold (allotment):** A block of rooms reserved for a group at an agreed price until a cut-off date, after which unused rooms return to sale. [How bedsKey handles it](https://bedskey.com/features/reservations/) - **Rooming list:** The list of guest names an organiser supplies to fill the rooms in a group hold. [How bedsKey handles it](https://bedskey.com/features/reservations/) - **Bed-level inventory:** Selling individual beds inside a shared room, as hostels do with dorms, rather than whole rooms only. [How bedsKey handles it](https://bedskey.com/solutions/hostels/) - **Walk-in:** A guest who arrives without a reservation and is booked and checked in on the spot. [How bedsKey handles it](https://bedskey.com/features/front-desk/) - **No-show:** A guest with a confirmed reservation who neither arrives nor cancels. [How bedsKey handles it](https://bedskey.com/features/front-desk/) - **Guest folio:** The running statement of every charge, tax and payment for a stay. [How bedsKey handles it](https://bedskey.com/features/billing-night-audit/) - **City ledger:** Accounts receivable for companies and agents who are billed after the stay rather than paying at check-out. [How bedsKey handles it](https://bedskey.com/features/billing-night-audit/) - **Night audit:** The end-of-day process that posts room and tax charges, reconciles the day, flags no-shows and moves the business date forward. [How bedsKey handles it](https://bedskey.com/features/billing-night-audit/) - **Out of order / out of service:** Room statuses for rooms that cannot be sold: out of order removes the room from inventory for repairs; out of service marks a short-term issue. [How bedsKey handles it](https://bedskey.com/features/housekeeping/) - **OTA (online travel agency):** A third-party website that sells hotel rooms to travellers, usually for a commission. [How bedsKey handles it](https://bedskey.com/features/channel-manager/) - **Channel manager:** Software that sends rates and availability to booking channels and brings their reservations back into the PMS. [How bedsKey handles it](https://bedskey.com/features/channel-manager/) - **Rate parity:** Keeping the price of the same room consistent across channels, or checking bookings against the rate each channel was sent. [How bedsKey handles it](https://bedskey.com/features/channel-manager/) - **Booking engine:** The booking tool on a hotel’s own website that lets guests book directly, without an intermediary’s commission. [How bedsKey handles it](https://bedskey.com/features/booking-engine/) - **Pickup:** The number of new bookings added for future dates over a recent period, such as the last 1, 7 or 30 days. [How bedsKey handles it](https://bedskey.com/features/reports-analytics/) - **Pace report:** A report showing how bookings for future dates are building over time. [How bedsKey handles it](https://bedskey.com/features/reports-analytics/) - **Idempotency:** A property of an API where repeating the same request has the same effect as sending it once, so retries never create duplicate bookings. [How bedsKey handles it](https://bedskey.com/features/partner-api/) Last updated October 2026. ## In-depth guides - [PMS](https://bedskey.com/glossary/pms/) - [ADR](https://bedskey.com/glossary/adr/) - [RevPAR](https://bedskey.com/glossary/revpar/) - [Occupancy rate](https://bedskey.com/glossary/occupancy-rate/) - [BAR](https://bedskey.com/glossary/best-available-rate/) - [Night audit](https://bedskey.com/glossary/night-audit/) - [Guest folio](https://bedskey.com/glossary/guest-folio/) - [City ledger](https://bedskey.com/glossary/city-ledger/) - [Channel manager](https://bedskey.com/glossary/channel-manager/) - [Rate parity](https://bedskey.com/glossary/rate-parity/) - [Booking engine](https://bedskey.com/glossary/booking-engine/) - [CTA / CTD](https://bedskey.com/glossary/cta-ctd/) ## Run your entire property from one system. Talk to sales@bedskey.com — we’ll walk you through bedsKey with your own rooms and rates.