Here's a breakdown:

* DNA: The molecule that contains the genetic instructions for an organism.

* Proteins: These are molecules that play a variety of roles in the cell, including structural support and regulation. In the case of chromatin, the proteins involved are called histones.

* Chromatin: The complex of DNA and histones that makes up chromosomes.

Think of it like this: DNA is a long string, and histones are little spools. The DNA wraps around the histones to form a more compact and organized structure. This structure is called chromatin.