How is "prosaic" best described?

The term "prosaic" is best described as ordinary and lacking originality because it derives from "prose," which refers to written or spoken language that is not in a poetic form. When something is described as prosaic, it typically means that it is mundane, straightforward, or lacking in excitement. This characterization highlights the idea that prosaic entities do not evoke the emotional or imaginative qualities often associated with poetry or artistic expression. Therefore, the correct description accurately reflects this meaning, indicating a sense of commonness and an absence of flair. The other descriptions, while they may apply to various aspects of creative expression or complexity, do not align with the essence of what "prosaic" conveys.