1, the primary and secondary relationship can be the total score, or it can be a parallel relationship, a progressive relationship, and a causal relationship. Draw from coarse to fine, and draw clockwise from one o'clock in the upper right corner (the order is the same when reading pictures) or draw according to your preferences, as long as the directions are the same.
2, to be concise and lively, you can use several colors and talk with your favorite colors.