Character mistake: The sign on the shopkeeper's door reads "Closed Thanksgiving Day November 28th 1947". Thanksgiving was on November 27th in 1947.
Character mistake: In the scene where Kris's knowledge is being tested, he incorrectly gives the vice president of President John Quincy Adams. Kris states John Quincy Adams' vice president was Daniel D. Thompkins. That's wrong. John Quincy Adams' vice president was John C. Calhoun. Daniel D. Thompkins was the vice president under President James Monroe.
Answer: I don't understand the question. She looks out of her bay window and sees her daughter with Mr. Galey in his apt. Most buildings in New York are U-shaped, so looking out of your window and seeing another apartment is not uncommon. Besides, buildings were designed with an Art-Deco look back in the 1940s.