Which design principle involves using various textures in an arrangement?

The principle that involves using various textures in an arrangement is variety. Variety in floral design refers to the inclusion of different elements, such as colors, shapes, and textures, within a composition. By incorporating various textures, a designer can create a more dynamic and visually interesting arrangement. This principle enhances the overall aesthetic by providing tactile contrast and adding depth to the design.

Incorporating a mix of textures can evoke different feelings and emphasizes the unique characteristics of each element used. It caters to the viewer's sense of touch and sight, creating an engaging experience that draws attention to the arrangement as a whole. Therefore, using various textures effectively aligns with the concept of variety, as it enriches the floral design and makes it more captivating.