Answer:
pantomimeing and generally using our whole body while acting
Explanation:
by using our body we can show weather using simple examples you can be shivering if it's cold and fanning yourself showing its hot. we can show objects around us by pantomimeing objects with doing so fills in the environment.
Have very similar skills to professional designers.
I'm pretty sure the answer is rigorous geometry
B. Derain used colour in a realistic way and included monochromatic colours.