Configuring a backend for any kind of Terraform project is recommended to manage the information contained in state files. State files hold the mapping of the Terraform configuration with their real-world deployments and are created at the first execution of the Terraform configuration. Using AWS S3 buckets as the remote backend for Terraform offers secure storage, a locking mechanism, and other features to manage these state files efficiently. The core purpose remains the same: to store state files in a secured and remote location, ensuring multiple developers working on the same set of Terraform configuration files can have validation access in their workflow.