Edge location :
Route 53 : navigate to a certain site via edge location.
Regional Cache:
Amazon Elastic Container services
Virtualization to container
Lambda : serverless
Types of EC2
Memory Optimised
Compute optimised
Storage Optimised
GPU optimised
General Optimised
Size : large small xtra large
AMI : bootable operation system and additional software.You can take snapshot.
Families : types .