Which of the following art forms is considered two-dimensional?

Art forms are classified by their dimensions. A two-dimensional (2D) art form exists on a flat surface, having only height and width but no physical depth. Painting is the classic example: whether on canvas, paper, or a wall, a painting is created on a flat plane. Any sense of depth in a painting is an illusion achieved through techniques like perspective, shading, or overlapping - the artwork itself remains flat.

Sculpture is inherently three-dimensional because it occupies real physical space with height, width, and depth. Pottery is also three-dimensional - vessels, bowls, and other ceramic forms have volume and can be viewed from all sides. Textile weaving produces fabric that, while often appearing flat, is a craft rather than a fine art in the traditional classification, and woven textiles can also take three-dimensional forms (baskets, tapestries draped over forms). Among the options given, painting is the art form most clearly and consistently classified as two-dimensional.