How AWS(Amazon Web Service) work? Is there any cloud solution on AWS services?

The two tech giants and when it comes to cloud-based services there are Amazon Web Services (AWS) and Azure - and they are intend to keep it that way.
AWS launched in 2006, Amazon Web Services, Which is an on demand cloud computing platform and that offers compute power, database storage, content delivery, and other functionality for help businesses build applications with flexibility and reliability. The Amazon subsidiary has a subscription model which allows subscribers to use virtual clusters of computers at all times via the Internet. AWS has a global network of coverage that spans over 19 regions worldwide and includes over 1 million trusted customers such as Spotify, Netflix, Unilever, Pfizer, Kellogg’s, Airbnb, Comcast, Condé Nast, Ubisoft, and many more. Read more here.