The Scratches on the Door to the Basement

The scratches on the door to the basement are a symbol of not knowing what's causing you pain or anxiety. The dog shaking its head suggests that jake has, he can't really remember this part of his life very well. He doesn't really remember what the dog's face looks like, so in his imagination, it's constantly shaking hits head. And they kind of serve is like this like emjust just, like, you don't really understand it, but, yo, youre kind of afraid of it as wellcause they're scratches.