What is Ansible?
Ansible is an open source software that automates software provisioning, configuration management, and application deployment.
Ansible connects via SSH, remote PowerShell or via other remote APIs.
Ansible is powerful IT automation that you can learn quickly. It’s simple enough for everyone in your IT team to use, yet powerful enough to automate even the most complex deployments. Ansible handles repetitive tasks, giving your team more time to focus on innovation.
Reference:
How Ansible Works
https://www.ansible.com/overview/how-ansible-worksCached
Ansisble Video Tutorial