Amazon Web Services (AWS) is a comprehensive and widely-used cloud computing platform provided by Amazon.com. AWS offers a vast array of services that enable individuals and businesses to build and deploy applications, store and retrieve data, and scale their infrastructure without the need for large upfront investments in hardware and software.

AWS operates on a subscription-based model, allowing users to access and use the services on-demand. It is also possible to reserve resources in advance at a discounted rate, making it suitable for workloads that have predictable resource requirements. Users can deploy their applications, run servers, and manage storage on the AWS platform. Additionally, AWS provides various tools and services to manage and secure their data.