| Subject | English | Italian |
| ed. | Common European Framework of Reference for Languages | quadro comune europeo di riferimento per la conoscenza delle lingue: apprendimento, insegnamento, valutazione |
| gen. | Common European Framework of Reference for Languages | quadro comune europeo di riferimento per la conoscenza delle lingue |
| ed. | Common European Framework of Reference for Languages: Learning, Teaching, Assessment | quadro comune europeo di riferimento per la conoscenza delle lingue: apprendimento, insegnamento, valutazione |
| gen. | Common European Framework of Reference for Languages: Learning, Teaching, Assessment | quadro comune europeo di riferimento per la conoscenza delle lingue |
| social.sc. | common language | lingua veicolare |
| gen. | common language | linguaggio comune |
| comp., MS | Common Language Infrastructure | Common Language Infrastructure, infrastruttura CLI (A specification describing how applications written in multiple high-level languages may be executed in different system environments without the need to rewrite the applications to take into consideration the unique characteristics of those environments) |
| ed. | Common Language Resources and Technology Infrastructure as a European Research Infrastructure Consortium | infrastruttura comune in materia di risorse e tecnologie linguistiche in quanto consorzio per un'infrastruttura europea di ricerca |
| comp., MS | common language runtime | Common Language Runtime (The engine at the core of managed code execution. The runtime supplies managed code with services such as cross-language integration, code access security, object lifetime management, and debugging and profiling support) |
| comp., MS | common language runtime host | host di Common Language Runtime (An unmanaged application that uses a set of APIs, called the hosting interfaces, to integrate managed code into the application. Common language runtime hosts often require a high degree of customization over the runtime that is loaded into the process) |
| comp., MS | Common Language Runtime support | supporto Common Language Runtime (The engine at the core of managed code execution. The runtime supplies managed code with services such as cross-language integration, code access security, object lifetime management, and debugging and profiling support) |
| comp., MS | Common Language Specification | Common Language Specification, specifiche CLS (A subset of language features supported by the common language runtime, including features common to several object-oriented programming languages. CLS-compliant components and tools are guaranteed to interoperate with other CLS-compliant components and tools) |
| IT | common machine language | linguaggio macchina comune |
| IT | common optical language | linguaggio ottico universale |
| gen. | common technical language | linguaggio tecnico |
| gen. | common technical language | gergo |