| ADSL | Asymmetric Digital Subscriber Line | Technology for delivering a high bit-rate link to customers over ordinary copper to provide a broadband service |
| API | Application Programming Interface | Method for computer systems to exchange data using defined standards and formats |
| API Consumer | API Consumer | An API consumer is defined as an individual from an organisation, for example, a developer or technical resource |
| JSON | Java Script Object Notation | An open-standard file format that uses human-readable text to transmit data objects |
| PLSAM | POTS Line Service Area Master | The unique address identifier used within Chorus copper products |
| RAML | Restful API Modelling Language | Used to document API design |
| RSP | Retail Service Provider | Chorus Customer |
| TLC | Telecom Location Code | The unique address identifier used within Chorus fibre products |