Why does Jill smile at Wendy’s note about Linda? What does this pivotal moment suggest about Jill’s perception of Wendy?

Examine the role of costumes throughout the story. How does the author use costumes to characterize Jill and Wendy?

Jill is described as “really tough on people” (1) and a “really tough character” (168). What does this mean, and how does Jill demonstrate this?