What element of design refers to the geometric form or outline of a floral arrangement?

The element of design that refers to the geometric form or outline of a floral arrangement is best described by the term "form." This concept encompasses not only the overall silhouette or outline of the arrangement but also the three-dimensional structure that contributes to the visual impact. In floral design, understanding form is crucial because it helps the designer create a balanced and harmonious composition that can convey various styles, moods, or themes.

While "shape" might seem like a suitable term related to the outline of an arrangement, it is more focused on the two-dimensional aspect of the design. "Form," on the other hand, encompasses both two-dimensional and three-dimensional qualities, making it the most appropriate choice when discussing the geometric aspects of floral arrangements. Recognizing the importance of form can aid florists in planning their designs to achieve the desired aesthetic and emotional effect.