| AAB | Application Architecture Blueprint |
|---|---|
| AAC | Air Agency Certificate |
| AAN | Application-Aware Network |
| ABA | Agent-Based Application |
| ABE | Adult Basic Education |
| ABI | Application Binary Interface |
| ABL | Address Block Locator |
| ACI | Automatic Card Identification |
| ADE | Apple Distinguished Educator |
| ADN | Application Delivery Network |