| Subject | English | Thesaurus |
| IT, abbr. | Variable Bit Rate - Non Real Time | VBRNRT (VBR, ATM, BIT) |
| IT, abbr. | Variable Bit Rate - Non Real Time | VBR-NRT (VBR, ATM, BIT) |
| IT, abbr. | Variable Bit Rate - Real Time | VBRRT (VBR, ATM, BIT) |
| IT, abbr. | Variable Bit Rate - Real Time | VBR-RT (VBR, ATM, BIT) |
| telecom., abbr. | Variable Bit Rate-Non-Real-Time | VBR-NRT (ATM) |
| telecom., abbr. | Variable Bit Rate-Real-Time | VBR-RT (ATM) |