Texture refers to the visual and tactile qualities of a surface or material. Textures can be tactile, involving actual surface variations, or visual, creating the illusion of texture. Texture plays an important role in interior design by adding visual interest, defining shapes and space, creating moods, and providing tactile responses. Both smooth and rough textures are used in design and influence how light interacts with colors and how materials feel. Texture is an essential design element that communicates style and creates contrast while enhancing functionality.