A workload is a collection of resources and code that delivers business value, such as a customer-facing application or a backend process. A workload might consist of a subset of resources in a single AWS account, or it might span multiple AWS accounts. In the cloud, an application is a type of workload. It might be deployed exclusively in the cloud environment, or it might be also be supported by local, on-premises hardware. Many publications focus on logging and monitoring cloud infrastructure and are intended for security teams. This guide is intended for application owners and focuses on effective and efficient approaches for logging and monitoring applications in the AWS Cloud.