What does "putting together of dissimilar elements" refer to? space contrast texture

Putting together of dissimilar elements refer to contrast.

Contrast is the obvious difference between two or more different objects when they are put together or compared. A contrast is formed when things, people, places or concepts are put together or compared in order to show their differences. If an element contrasts with another element, it is very different from it.

what's the rest of the question

hope this !