Description: Template application refers to the process of applying a template to a host in monitoring systems. In this context, a template is a predefined set of configurations that includes items, triggers, graphs, and service discovery. By applying a template to a host, management and monitoring of that host are facilitated, as all configurations defined in the template are automatically inherited. This not only saves time in the manual configuration of each host but also ensures consistency in monitoring multiple hosts that share similar characteristics. Templates can be customized and adapted to the specific needs of an organization, allowing for great flexibility in managing IT infrastructure. Additionally, many monitoring systems allow for the creation of hierarchical templates, where one template can inherit configurations from another, further optimizing the management of monitored resources. The application of templates is essential for maintaining an efficient and scalable monitoring environment, especially in large and complex environments where numerous devices and services need to be monitored simultaneously.