This document provides definitions for various front office and hotel management terms. It defines key concepts like average daily rate, occupancy rate, revenue per available room, confirmed reservations, corporate clients, eco-tourists, high/peak and shoulder seasons, registration cards, guaranteed reservations, guest folios, guest histories, overbooking, package rates, paid in advance guests, paid-outs, and property management systems. The document aims to explain important industry terminology for front office professionals.