Which retail design element is specifically employed in most major bookstores to increase browsing time and discovery?

Independent bookstores have seen a remarkable resurgence in recent years, competing against online giants through carefully crafted in-store experiences. The physical layout of bookstores isn't random - it's a strategic design choice that influences browsing behavior, discovery, and ultimately sales. This trivia question explores one of the fascinating psychological elements of bookstore retail design that major chains and successful independents employ.

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The 'decompression zone' - an open area just inside the entrance with bestsellers that helps customers transition and slow down
Strategic placement of seating areas throughout the store rather than clustered in one reading section
Arranging bookshelves in a grid pattern rather than circular layouts to improve navigation
Positioning children's books in the back of the store to draw parents through the entire space