Which of the following is NOT one of the five dimensions of writing?

The five dimensions of writing are critical aspects that contribute to the overall quality and effectiveness of a written piece. They typically include voice, design, clarity, and other elements that enhance the communication of ideas. Voice refers to the unique style, tone, and personality of the writer, while design encompasses the visual elements that make a piece engaging, such as layout and formatting. Clarity is crucial as it ensures that the ideas presented are easily understood by the reader.

Length, although it can be a factor in writing, does not constitute an essential dimension. The quality of writing is not inherently dependent on the number of words but rather on how well the writer conveys their message within the appropriate context. Therefore, length is not recognized as one of the fundamental dimensions, making it the correct choice for the question.