Glossary

Hotel invoice & procurement glossary.

Plain-English definitions of the terms behind Atrium — what they mean, why they matter for hotels, and how they fit into reviewing invoices before payment.

3-way matching

3-way matching compares the purchase order, the goods receipt, and the supplier invoice so a hotel only pays for what it ordered and actually received.

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Billed but not received

Billed but not received means a supplier invoiced for more units than the hotel actually received — paying for goods that never arrived.

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Contract leakage

Contract leakage is money lost when suppliers bill above the agreed contract rates and nobody checks the invoice against the agreement.

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Goods receipt (GRN)

A goods receipt note (GRN) records what was actually delivered — the proof a hotel checks an invoice against before paying.

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Invoice capture

Invoice capture turns supplier invoices — PDFs, scans, photos, and email attachments — into structured, line-item data a hotel can actually use.

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Invoice exception

An invoice exception is any supplier invoice that doesn't match what was ordered or received — a price change, short delivery, duplicate, or missing detail.

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Pack-size normalization

Pack-size normalization converts case, box, and each pricing to a common per-unit basis so a hotel can compare prices fairly across suppliers.

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Purchase order (PO)

A purchase order is the hotel's record of what it agreed to buy and at what price — the baseline every invoice should be checked against.

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Spend leakage

Spend leakage is money a hotel loses to small, unnoticed invoice errors — price creep, duplicates, and short deliveries that add up over time.

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Supplier pricing agreement

A supplier pricing agreement fixes what a supplier may charge a hotel — unit rates, effective dates, and price-increase caps for covered items.

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