symmetrical
The same on both sides of a line of symmetry, like a mirror image.
asymmetrical
Not the same on both sides.
font
A style of lettering, like bold, thin, curly, or blocky letters.
positive shape
The shape of an object itself (the tree, the letter).
negative shape
The empty space around and between objects (the sky between the branches).
pattern
Lines, shapes or colours that repeat in a planned way.
texture
How something feels, or looks like it would feel: rough, smooth, bumpy.
symbol
A picture or object that stands for an idea, group or feeling.
style
The special look of an artist, a design or a tradition.