Which element is NOT typically included in the basic units of design?

The basic units of design traditionally include line, color, and space, as these elements form the foundation for creating visually effective compositions. Line serves as a fundamental building block that can suggest movement, structure, and division within a design. Color brings emotion and attracts attention, playing a vital role in establishing a mood or narrative. Space, or the area around and between elements, helps to create balance and unity, guiding the viewer's eye through the design.

While texture can enhance a design by adding depth and interest, it is not considered one of the core foundational elements. Texture is more of an additional attribute or quality that can enrich designs but is not essential for the initial or basic structure of visual communication. Thus, the correct choice identifies texture as the element that is typically not included in the primary basic units of design.