| Subject | English | French |
| tech. | normal vector | vecteur normal |
| comp. | normal-vector interpolation shading | ombrage par interpolation de vecteurs de la normale (Lambert or cosine shading plus smoothing and specularity of faceted surfaces) |
| comp. | normal-vector interpolation shading | ombrage de Phong (Lambert or cosine shading plus smoothing and specularity of faceted surfaces) |