What are you talking about?
True. I take Photo 1 and it's important to agitate it.
Answer:
The First one (triangle) is a shape
The second one (cube) is a Form
The third one (cylinder) is a Form
The last one (circle) is a Shape
Explanation:
Cal·o·type
/ˈkaləˌtīp/
an early photographic process in which negatives were made using paper coated with silver iodide.
PROCESS ;
Calotype, also called talbotype, early photographic technique invented by William Henry Fox Talbot of Great Britain in the 1830s. In this technique, a sheet of paper coated with silver chloride was exposed to light in a camera obscura; those areas hit by light became dark in tone, yielding a negative image.