Final answer:
Puppet modules and configurations are built using a Puppet-specific language, which is a domain-specific language designed for server configuration management.
Step-by-step explanation:
All modules and configurations in Puppet are built using a Puppet-specific language which is a declarative domain-specific language (DSL) designed specifically for managing server configuration. This language allows you to specify the desired state of your system's configuration, which Puppet then enforces on your system. The Puppet language is not only powerful but also flexible, making it possible to manage complex configurations across various types of systems and platforms.