| Subject | English | Japanese |
| comp., MS | interface definition language | インターフェイス定義言語 (In object-oriented programming, a language that lets a program or object written in one language communicate with another program written in an unknown language. An IDL is used to define interfaces between client and server programs. For example, an IDL can provide interfaces to remote CORBA objects) |
| comp. | n Interface Definition Language | インタフェース定義言語 |
| comp., MS | Microsoft Interface Definition Language | Microsoft インターフェイス定義言語 (Microsoft implementation and extension of the Interface Definition Language (IDL)) |