Parts of the frame or an area within the frame that are/is left blank or in which objects are missing in a way that is striking. By leaving part(s) of the frame empty, other areas of the screen can be emphasized, so in this respect, even negative space has a certain weight and importance in the composition of a frame. The opposite of negative space is positive space.
Breaking down a script and creating something tangible for an audience isn’t an easy task. It takes time, it takes meditation, and it takes pre-visualization. Don’t rush this process and enjoy it. You have a blanket canvas… now paint it.