Read the passage from A Doll’s House . Helmer: [calls out from his room]. Is that my little lark twittering out there? Nora: [busy opening some of the parcels]. Yes, it is! Helmer: Is it my little squirrel bustling about? Nora: Yes! Helmer: When did my squirrel come home? Nora: Just now. [Puts the bag of macaroons into her pocket and wipes her mouth.] Come in here, Torvald, and see what I have bought. Helmer: Don't disturb me. [A little later, he opens the door and looks into the room, pen in hand.] Bought, did you say? All these things? Has my little spendthrift been wasting money again? Nora: Yes but, Torvald, this year we really can let ourselves go a little. This is the first Christmas that we have not needed to economize. How do the stage directions in brackets affect the meaning of the text?