Answer:
Clothing style.
Explanation:
As seen by the picture above, the main guy is fully clothed in pretty awesome clothes if I do say so myself. However, the people around him are shirtless and have scraps for pants. In addition, the hatwear is noticably different as well.
Thickness
shape
size
color/contrast
elevation of privies
Pattern is the correct answer because all the images circulate in certain patterns hope this help