Restaurant operations glossary
Plain-English definitions of the POS and restaurant-ops terms operators actually use — from 86 and coursing to prime cost and recipe costing.
86 (Out of Stock)
Restaurant shorthand for an item that is sold out or unavailable.
Back of House (BOH)
The kitchen and operational side guests don't see.
Coursing
Timing the kitchen so dishes from a table arrive in the intended order.
Covers
The number of guests served, counted per person rather than per table.
Expo (Expediter)
The person who coordinates the pass between kitchen and dining room.
Food Cost Percentage
The share of revenue spent on the ingredients in what you sell.
Front of House (FOH)
The guest-facing side of the restaurant — dining room, host stand, bar.
KDS (Kitchen Display System)
A kitchen screen that replaces paper tickets and routes orders to the right station.
Labor Cost Percentage
Total labor spend as a share of sales over a given period.
Menu Engineering
Analyzing each item's profitability and popularity to optimize the menu.
Modifier
An add-on or change to a menu item, like 'no onions' or 'extra cheese.'
Multi-Location / Multi-Unit
Operating more than one restaurant under shared management and systems.
Par Level
The target on-hand quantity of an ingredient to keep service running.
PLU (Price Look-Up)
A short code used at the register to quickly ring up a menu item.
POS (Point of Sale)
The system where orders are entered, sent to the kitchen, and paid for.
Prime Cost
Cost of goods sold plus total labor — the two biggest controllable expenses.
QR Ordering
Guests scan a code at the table to order and pay from their own phone.
Recipe Costing
Calculating the exact ingredient cost of a dish from its recipe.
Self-Order Kiosk
A customer-facing tablet where guests browse the menu and order themselves.
SKU (Stock Keeping Unit)
A unique code identifying a purchasable inventory item.
Table Turn
How many times a table is seated with new guests during a service period.
Void vs. Comp
A void removes an item before it's made; a comp gives away an item already prepared.