Arn
It uniquely identifies AWS resources
- required to specify a resource unambiguously across all AWS
- common to be able to copy the ARN to your clipboard
- variations
arn:partition:service:region:account-id:resource-id
arn:partition:service:region:account-id:resource-type/resource-id
arn:partition:service:region:account-id:resource-type:resource-id
partition
- aws: AWS Regions
- aws-cn: China Regions
- aws-us-gov: AWS GovCloud (US) Regions
service
region
account-id
- specific to user account
resource id
- could be a number name or path