Language describes the interfaces that refer to the IDL can be called a language is to mention the characteristics, components, software, a Interface. IDL interfaces in a language neutral definition and does not allow software that languages do not have a common communicate. As examples, that in the C language have been written and that written in Java.

IDL usually in the software, invoke the process from a distant (Remote procedure call) are used. In such cases, the car, the end of a "link" (Link) may be operating system and language computer have a different. IDL a bridge between the two system different offers.