Relier Pairs Hospitality AcronymsVersion en ligne These are some of the acronyms that will be used often in the hospitality & service industries. par Shannon Thomas 1 FOM 2 AV 3 ADR 4 FOH 5 F&B 6 ETA 7 LOS 8 ETD 9 ALOS 10 BEO 11 C/O 12 MTD 13 BOH 14 CRS 15 GRA GUEST ROOM ATTENDANT ESTIMATED TIME OF DEPARTURE AVERAGE DAILY RATE FOOD AND BEVERAGE AVERAGE LENGTH OF STAY LENGTH OF STAY FRONT OFFICE MANAGER CENTRAL RESERVATION SYSTEM MONTH TO DATE ESTIMATED TIME OF ARRIVAL CHECK OUT AUDIO VISUAL FRONT OF HOUSE BACK OF HOUSE BANQUET EVENT ORDER