Description: The output specification in a CloudFormation stack refers to the detailed description of the values generated as a result of creating or updating resources in the AWS infrastructure. These output values are crucial for resource management and integration, as they allow users to obtain relevant information about the created resources, such as IP addresses, resource names, or any other data that may be useful for configuring and operating applications. The output specification is defined in the CloudFormation template file and can include multiple outputs, each with a name, a value, and a description. This facilitates the reuse of information between different stacks and allows developers and system administrators to easily access critical data without the need to manually search in the AWS console. Additionally, outputs can be referenced in other CloudFormation stacks, promoting modularity and organization in infrastructure management as code. In summary, the output specification is a powerful tool that enhances visibility and resource management in cloud environments, enabling more efficient and effective administration of cloud infrastructure.