What are the components of AWS?

The key components of AWS are

Route 53: A DNS web service

Simple E-mail Service: It allows sending e-mail using RESTFUL API call or via regular SMTP

Identity and Access Management: It provides enhanced security and identity management for your AWS account

Simple Storage Device or (S3): It is a storage device and the most widely used AWS service

Elastic Compute Cloud (EC2): It provides on-demand computing resources for hosting applications. It is very useful in case of unpredictable workloads

Elastic Block Store (EBS): It provides persistent storage volumes that attach to EC2 to allow you to persist data past the lifespan of a single 

EC2CloudWatch: To monitor AWS resources, It allows administrators to view and collect key. Also, one can set a notification alarms in case of red flags.