When referring to language as a general concept or as a programming language, linguagem is used rather than idioma. Idioma often refers specifically to the language used by a nation or people, in many cases the official language of that entity.
When referring to language as a general concept or as a programming language, linguagem is used rather than idioma. Idioma often refers specifically to the language used by a nation or people, in many cases the official language of that entity.