Description: The ‘Output Identifier’ in AWS CloudFormation is a crucial element that provides a unique identifier for an output value in a CloudFormation stack. This identifier allows users to refer to specific values generated when creating or updating resources in the cloud. Output values are useful for sharing information between different stacks or for displaying important data about the deployed infrastructure, such as IP addresses, resource names, or any other relevant data that one wishes to expose. Each output in a stack has an ‘Output Identifier’ that ensures the values are unique within the context of that stack, facilitating their management and reference. This mechanism is essential for automation and orchestration of cloud resources, as it allows developers and system administrators to integrate and efficiently use the deployed resources without manual intervention. In summary, the ‘Output Identifier’ is a tool that enhances clarity and organization in resource management on AWS, enabling better collaboration and a more agile workflow in cloud environments.