principle of design
A way artists arrange the elements (line, shape, colour, texture, space, value) in an art work.
variety
Using different lines, shapes, colours, sizes and textures to make art interesting to look at.
theme
The main idea or topic of an art work, like "winter fun" or "my garden".
variation
A small change to something, like the same leaf shape drawn in a new colour or size.
composition
How all the parts of an art work are arranged on the page.
narrative art
Art that tells a story.