1. a general understanding; vague or imperfect conception or idea of something.
2. an opinion, view, or belief.
3. conception or idea.
4. a fanciful or foolish idea; whim.
5. an ingenious article, device, or contrivance; knick-knack.
6. notions, small articles, as buttons, thread, ribbon, and other personal items, especially such items displayed together for sale, as in a department store.
Vague notions collide in my hours of slumber
Cooking monsters, recipes or stories
Sometimes belonging to all three categories.