i want to write a fantasy story i already have the plot down but i can't figure out how the characters should look and what color they should wear so i need suggestions its a boy and a girl

Type the correct answer in the box. spell all words correctly. what did german psychologists develop in the 1920s to describe how people tend to organize visual elements into groups? describe how people tend to organize visual elements into groups, or unified wholes, when applying certain principles.