The phrase "5 scale value" is ambiguous, but here are two possible interpretations:Interpretation 1: 5 shading valuesThis 5-value scale is a way to simplify the multitude of values within the gradient from white to black. The five shading values can be summed up using the following terms: Highlight, Reflected light, Midtone, Core shadow, Cast shadow.Interpretation 2: 5-point satisfaction scaleScoring values are customizable, but would typically be as follows: Very Satisfied = 5, Satisfied = 4, Neutral = 3, Dissatisfied = 2, Very Dissatisfied = 1, N/A = Void Response. ^{letsdrawtoday.com 1 2}