Azure templates can be used to deploy and manage Azure resources in a declarative and repeatable way. They define the resources to deploy, including virtual machines, databases, and networking components, as well as the relationships between resources. Azure templates allow for idempotent deployments, simplified orchestration of rollbacks and upgrades, and cross-resource configuration and updates. They are stored as JSON or ARM template files in source control and can be deployed via the Azure CLI, PowerShell, or REST APIs. A wide range of community-created quickstart templates are available on GitHub for common workload deployments.