abbr

Storage Services
EBS – Elastic Block Store
S3 – Simple Storage Service
EFS – Elastic File System
FSx – Amazon FSx (Fully managed file storage)
Database Services
DynamoDB – Amazon DynamoDB (NoSQL Database)
RDS – Relational Database Service
Aurora – Amazon Aurora (Managed Relational Database)
Compute Services
EC2 – Elastic Compute Cloud
Lambda – AWS Lambda (Serverless compute)
Networking & Data Transfer
VPC – Virtual Private Cloud
AWS Direct Connect – Dedicated network connection to AWS
Cost Management & Billing
AWS Cost Explorer – Tool for cost analysis
AWS Budgets – Budgeting tool
AWS CUR – Cost and Usage Report
Support & Technical Resources
AWS TAM – Technical Account Manager
AWS TR – AWS Trusted Advisor
AWS APN – AWS Partner Network
AWS re:Post – AWS community Q&A site