The seven elements of art are line, shape, space, value, form, texture, and color. These elements are the building blocks, or ingredients, of art. ... Form means the artwork has height, width, and depth. Texture is the way the art feels, or looks like it would feel.
In general, subject may be thought of as the "what" in a piece of art: the topic, focus, or image. The most common subjects of art include people (portraiture), arrangements of objects (still-life), the natural world (landscape), and abstractions (non-objective).