| Subject | English | French |
| IT | design language | langage de conception |
| IT | design language | langage conceptuel |
| gen. | design languages | langages de conception |
| gen. | hierarchical IC design description languages | langages hiérarchiques de description de la conception des circuits intégrés |
| IT | language design | structures fondamentales du langage |
| comp., MS | Microsoft design language | langage de conception Microsoft (The set of look-and-feel elements (type, color, icons, etc) that create a sense of brand and a cohesive user experience with Microsoft products) |
| IT | program design language | language de construction des programmes |