Shows what characters are thinking, feeling, or what is motivating them. Creates action by causing something to happen (a change of mind, a change of heart, or a decision made) Enhances important connections between characters that need to develop in order for the plot to move forward.
l think Portia's father's was indeed really wise in pescribing the test of the casket as the means of winning Portia. There is no doubt that Portia will be chosen by the right person who deserves her love and will love he rightly.