size contrast-Big and small elements of the same type, such as big and small images and big and small type are the most obvious uses of size to create contrast
contrast- the state of being strikingly different from something else, typically something in juxtaposition or close association
emphasis
vigor or intensity of expression.
balance-
a condition in which different elements are equal or in the correct proportions.
informal balance-IThe objects have nearly the same "visual weight" on either side of the vertical center of the photograph composition, but are different in size, shape, texture, or value
formal balance-Each side of the vertical center of a photograph has equal weight and have similar or exactly the same shape, texture, and value contrast.
formal balance-Each side of the vertical center of a photograph has equal weight and have similar or exactly the same shape, texture, and value contrast.
proportion -a part, share, or number considered in comparative relation to a whole.
perspective-
the art of drawing solid objects on a two-dimensional surface so as to give the right impression of their height, width, depth, and position in relation to each other when viewed from a particular point.