A nook is a small, intimate corner or alcove within a larger room designed for a specific purpose, typically providing a cozy, comfortable space for relaxation, reading, or quiet activities. These small areas can be created in various parts of the home, such as under the stairs, by a window, or in an unused corner. Nooks often feature comfortable seating, soft lighting, and personal touches like cushions, throws, and bookshelves, making them inviting and functional spaces.