What is the significance of the title of chapter 13 in hobbit?

Chapter 13 of "The Hobbit" is titled "Not at Home." This title signifies that the group of adventurers led by Bilbo Baggins has arrived at the Lonely Mountain (Erebor) seeking the treasure guarded by Smaug the dragon, only to find the dragon absent from his lair. It adds suspense and tension to the story as they explore the mountain and encounter unforeseen challenges.