What values should you do first in a drawing ? ​

Based on the “drawing source”, it states: “When you begin a drawing, in order to accurately capture the relationships between the values, you first establish your lightest and darkest values. That way, you have two points of reference to which you can compare all the other values.”

Answerutrecht psalter; ; ; ;

Idont think that you can i mean there are no more options to change