review this passage to express it in another English wayProfessional core In this leaf there are core roles that is management such as Ailsa Craig Antonio and SaskiaContractual fringe Advertising agen

Key functions: This document outlines the essential responsibilities of management personnel, including Ailsa, Craig, Antonio, and Saskia.

Peripheral agreements: The advertising agency, hotel supplier, swimming pool cleaning and disinfection company, IT service and cleaning, linen and laundry service, and other hotel suppliers are all part of the contractual fringe.

Adaptable employees: The hotel employs a range of flexible workers, including receptionists, cleaning staff, chambermaids, and kitchen staff