# Glossary

| **Acronym/Term** | **Description** |
| --- | --- |
| AI | Artificial Intelligence |
| ANN | Android Neural Network |
| API | Application Programming Interface |
| BE | Back End |
| CPU | Central Processing Unit |
| CSV | Comma-Separated Value |
| DL | Deep Learning |
| DLC | Deep Learning Container |
| DSP | Digital Signal Processor |
| GPU | Graphics Processing Unit |
| HMX | Hexagon Matrix Extensions |
| HTA | Hexagon Tensor Accelerator |
| HTP | Hexagon Tensor Processor |
| IOT | Internet Of Things |
| ML | Machine Learning |
| NDK | Native Development Kit |
| NN | Neural Network |
| ONNX | Open Neural Network Exchange |
| OpenCL | Open Computing Language |
| PD | Process Domain |
| PPA | Personal Package Archive |
| QNN | Qualcomm Neural Network (a synonym for Qualcomm® AI Engine Direct) |
| QSML | Qualcomm Snapdragon Math Libraries |
| QTI | Qualcomm Technologies Incorporated |
| RPC | Remote Procedure Call |
| SDK | Software Development Kit |
| SNPE | Snapdragon Neural Processing Engine (a synonym for Qualcomm® Neural Processing SDK) |
| TF | Tensorflow |
| UDO | User Defined Operations |
| VTCM | Very Tightly Coupled Memory |
| XML | Extensible Markup Language |
| WSL | Windows Subsystem for Linux |

Last Published: Oct 10, 2025

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