| Subject | English | Portuguese |
| work.fl., IT | concept arrangement system of a documentary language | sistema conceptual de uma linguagem documental |
| IT | Formal description of arbitrary systems by means of functional languages | descrição formal de sistemas arbitrários mediante linguagens funcionais |
| IT | remote computing system language | linguagem de sistema informático remoto |
| IT, dat.proc. | Standard Generalized Markup Language system | sistema SGML |
| comp., MS, Braz. | system language | idioma do sistema (The default language that is used by the application text localization system) |
| work.fl., IT | system language | linguagem documental de um sistema |
| comp., MS | system-preferred interface language | idioma de interface preferencial do sistema (The language that displays on a system when the user has not selected a user-preferred interface language) |
| work.fl., IT | term arrangement system of a documentary language | sistema terminológico de uma linguagem documental |