# Express Booking Masters

Module: CORE Platform
Module slug: core-platform
Source URL: https://helpcentre.shipsy.io/en-US/shipsy/article/JmNkTngQ-express-booking-masters
Article ID: JmNkTngQ
Breadcrumbs: CORE Platform > Setup Section > Express Booking Masters

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TAT Master - TAT(Turn-Around-Time) Master helps in defining the fields required for achieving the Turnaround time (TAT). TAT is the amount of time taken to complete a process or fulfil a request.

Servicability Master - Serviceability Master is a master for defining whether a Pincode is Serviceable or not.

Destination Master - A destination Master is a master which helps in defining the destination type code to a destination city along with the service type. It also helps in sorting which is done through the Hub Ops App.