| Subject | English | Thesaurus |
| transp., abbr. | Inter Terminal Transport | ITT |
| abbr., telecom. | lower order path terminal | lower order path termination (ssn) |
| abbr., commun. | Network Terminal/Termination | NT |
| telecom., abbr. | Path Terminal Equipment | PTE |
| abbr., telecom. | RO terminal | read-only terminal |