ServiceNow contains a resource which provides the following: - A standard and shared set of service related definitions across ServiceNow products and platform that will enable and support true…

The Common Services Data Model (CSDM) is a standard and shared set of service-related definitions and a CMDB framework designed to align IT services with business outcomes. It ensures consistent data modeling across the ServiceNow platform, enabling true service level reporting and supporting multiple configuration strategies within the CMDB.

ITSM (Information Technology Service Management) refers to a set of practices and a suite of applications, not a data model or CMDB framework itself.

CMDB (Configuration Management Database) is the database storing Configuration Items, but CSDM defines the *structure, relationships, and terminology* within the CMDB for service management.

ITIL (Information Technology Infrastructure Library) is a widely adopted framework of best practices for IT service management, not a data model or a specific ServiceNow resource.