| Subject | English | Arabic |
| comp., MS | logical datacenter diagram | رسم تخطيطي لمركز البيانات المنطقية (The diagram used to create a logical representation of a datacenter. The logical datacenter diagram (.ldd) file contains information based on the System Definition Model (SDM)) |
| econ. | logical diagram | خط بَيَانِيّ قِيَاسِيّ |