Understanding Emotional Nuance through Stage Directions

In the context of drama, stage directions serve as essential guidance for both actors and directors. They can indicate how characters should behave, the tone of their speech, or even the emotional atmosphere of a scene. Consider a scenario where a character enters a room and the stage directions read, 'She enters slowly, her head held high, with a proud yet wary expression.' How does this description enhance the understanding of the character's state of mind?