Using SPACE in your drawings to focus their meaning

BTW, all these theories and techniques are merely tools

NOT ends in themselves

you don't just randomly put abstract spaces around things just for fun

You use them to make your expressions and poses more understandable

in other words - you think of the pose, expression or story point you want to make and you frame the important parts of the drawing's intent by putting space around it.

and you still use construction, line of action and the other principles and tools