An Ansible Inventory project contains inventory files, plays, host configurations, group variables, and vault files. It is also referred to as a playbook project or configuration project.
An Ansible Collection project is a comprehensive unit that combines modules, plugins, roles, and documentation to enhance the automation language and manage infrastructures. It serves as a reusable and distributable package of Ansible content.
An Ansible Role project is a structured and reusable collection of tasks, variables, and configurations that provide specific functionality.
The Ansible Execution Environment project provides a standardized environment for executing Ansible playbooks and roles.