An artistic movement and style of decoration and architecture prominent from the late 19th to early 20th centuries, characterized by intricate linear designs and flowing curves based on natural forms. It emphasizes the use of abstract design and painting, incorporating free-flowing, organic shapes and highly stylized, intricate motifs. The style is considered a branch of abstract art, which departs from traditional representation of physical objects or figures, and explores visual language elements like shapes, colors, and lines.